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craigslist

Bicycles For Sale By Owner in Boulder, CO

  1. see also

    electric bikes

    kids bikes

    mountain bikes

    road bikes

  2. AWESOME STEP THRU CRUISER…
    $1,800
    Boulder
  3. Trek 820 mountain bike
    $75
    Longmont
  4. Trek Checkpoint SL6 (gen3) Rival AXS 54
    $3,699
  5. GT Bullet Kids Mountain Bike Excellent Condition Fully Serviced
    $180
    Louisville
  6. GIANT Boulder SE Hardtail Mountain Bike Excellent Condition Just Tuned
    $260
    Louisville
  7. Raleigh Alysa 1 Hybrid / Gravel Bike Like New Condition Fully Serviced
    $280
    Louisville
  8. RoadMaster Mt. Fury Mountain Bike Great Condition Just Tuned
    $70
    Louisville
  9. GT Outpost Trail Mountain Bike Excellent Condition Fully Serviced
    $240
    Louisville
  10. Kids bike - Coop Rev Cty
    $200
    Boulder
  11. USED - 2007 TREK PILOT 2.1 WSD
    $400
    Longmont
  12. Women's Specialized Dolce Road Bike White
    $325
    Louisville
  13. Jones Titanium Plus LWB Spaceframe (Large)
    $7,900
  14. Custom Cruiser Green 3-Speed Internal Hub, Wicker Basket, Small
    $245
  15. TREK 1000 SL Road Bike Excellent Condition Fully Serviced
    $480
    Louisville
  16. FUJI Newest 3.0 Road Bike Excellent Condition Fully Serviced
    $480
    Louisville
  17. DiamondBack Wildwood Hybrid/Commuter Bike Great Condition Just Tuned
    $200
    Louisville
  18. TREK Navigator 2.0 Hybrid/Comfort Bike Excellent Condition Just Tuned
    $300
    Louisville
  19. Schwinn Le Tour 10 Speed Tall Frame Road Bike
    $150
  20. Cruiser Bike - Sixthreezero "Around the Block" single speed
    $200
    Lafayette
  21. Trek 820 Hardtail Bike, 3x7, 26x2.0, 18in frame
    $190
  22. Surly Midnight Special 54cm
    $2,300
    longmont
  23. Mongoose Sahara 21 Speed Front Suspension Mountain Bike
    $100
  24. 2012 Surly Pugsley Black Ops/Necromancer 20" (L), 2 wheelsets, extras
    $1,700
  25. Trek Women's Neko 1 Mountain Bike
    $200
    Boulder
  26. Bicycle
    $100
  27. Bicycle
    $50
  28. 20” Specialized Kids Bike Fair Condition
    $70
    Boulder
  29. 20” Cannondale Kids Bike Good Condition
    $110
    Boulder
  30. 24” Specialized Mountain Bike Good Condition
    $140
    Boulder
  31. 24” Gary Fisher Mountain Bike Good Condition
    $120
    Boulder
  32. Schwinn Falcon (20") Kids Bike
    $75
    Longmont
  33. Schwinn 24" 21 speed Mountain Bike
    $120
    Longmont
  34. Raleigh 3-speed
    $140
    S. Boulder
  35. Motobecane 10-speed mixie
    $35
    S Boulder
  36. Carbon Road Bike Ultegra w/ disc brakes
    $1,250
    S Boulder
  37. Cervelo R3 Mud 58cm
    $2,500
    S Boulder
  38. Santa Cruz Hightower CC LT + Reserve Wheels
    $2,500
    Boulder
  39. Shimano Rotors / New with hardware 180
    $25
    Lafayette
  40. Italian Bike Chordia Size 54CC Medium
    $80
  41. Schwinn Single speed conversion, Steel lugged. 56cm
    $100
  42. K2 Hardtail 29
    $140
  43. Giant Cadex Rigid Carbon Fiber Mountain Bike
    $200
    Lafayette
  44. Bakcou Single Wheel Hunting Cargo Trailer - UPGRADED Fox Air Shock
    $300
    Boulder
  45. Overland A/T Cargo Fat Tire Class 2 eBike *Only 1 Left*
    $1,500
    Louisville
  46. Trek 3500
    $150
    erie
  47. Mavic Ksyrium Equipe wheelset with a 10-speed Dura-Ace cassette
    $179
    Lafayette
  48. Vintage Schwinn Road Bike
    $100
    SW Longmont
  49. Quintana Roo TT Triathlon Race Bike - 55 cm
    $500
    SW Longmont
  50. Raleigh USA M-55 Hardtail Mountain Bike Excellent Condition Just Tuned
    $220
    Louisville
  51. TREK MT 220, MT220 Kids Hardtail Mountain Bike Excellent Cond. Tuned
    $260
    Louisville
  52. TREK FX 7.4 WSD Woman's Hybrid/Gravel Bike Excellent Cond. Just Tuned
    $380
    Louisville
  53. TREK 1000C Road Bike Excellent Condition Fully Serviced
    $480
    Louisville
  54. Specialized Rockhopper Aluminum Frame Mountain Bike
    $180
    South Boulder
  55. Bianchi Vigorelli Bicycle Frame and Fork
    $275
    South Boulder
  56. Bianchi 1885 Reparto Corse Bicycle HAND MADE in ITALY
    $1,000
    South Boulder
  57. Kona NuNu Mountain Bike
    $200
    South Boulder
  58. Trek Fuel 90 Full Suspension Mountain Bike 🚲
    $350
    South Boulder
  59. Gary Fisher Utopia Hybrid Urban Commuter Bike 🚴‍♂️
    $250
    South Boulder
  60. Schwinn Traveler Road Bike - Vintage
    $200
    South Boulder
  61. Nishiki Bravo Mtn Bicycle
    $125
    South Boulder
  62. Cannondale F600 Comp Mountain Bicycle
    $250
    South Boulder
  63. Giant Boulder Mountain Bike
    $180
    South Boulder
  64. Gary Fisher Cake 3 DLX Bicycle Full Suspension Hydraulic Disc Brakes
    $480
    South Boulder
  65. Trek 6500 Aluminum Frame Mountain Bike - Orange
    $300
    South Boulder
  66. Specialized HardRock FS Mountain Bike - Silver
    $200
    South Boulder
  67. Trek 6500 Aluminum Frame Mountain Bicycle - Blue
    $300
    South Boulder
  68. GT Aggressor 2.0 Aluminum Frame Mountain Bike
    $200
    South Boulder
  69. Fuji Nevada Mountain Bike
    $200
    South Boulder
  70. Fuji Eddy Mountain Bicycle
    $200
    South Boulder
  71. GT Outpost All Terra Vintage Mountain Bike
    $200
    South Boulder
  72. GT Outpost Mountain Bicycle - Front Suspension
    $175
    South Boulder
  73. Giant Rincon Mountain Bicycle
    $200
    South Boulder
  74. Kona Hoss Aluminum Frame Mountain Bike
    $250
    South Boulder
  75. Kona Cinder Cone Suspension Mountain Bicycle
    $250
    South Boulder
  76. Specialized Hardrock Punk Mountain Bike
    $225
    South Boulder
  77. Diamondback Octane 24 Suspension Mountain Bike
    $100
    South Boulder
  78. Schwinn Super Sport GL Road Bike Aluminum Frame
    $300
    South Boulder
  79. GT Saddleback Mountain Bike - Front Suspension
    $125
    South Boulder
  80. Schwinn Woodlands Commuter Hybrid Bike
    $150
    South Boulder
  81. Classic Schwinn s [ 9 five] .3 Aluminum Mountain Bike
    $175
    South Boulder
  82. Schwinn Mesa GS Aluminum Frame Suspension Mountain Bike bicycles
    $225
    South Boulder
  83. Centurion Dave Scott Ironman Expert Vintage Bicycle
    $400
    South Boulder
  84. Giant Boulder Hybrid Mountain Commuter Bike
    $200
    South Boulder
  85. Classic Diamondback Ascent Mountain Bicycle 🚵‍♂️
    $140
    South Boulder
  86. Felt FA SL Superlight Aluminum Road Bicycle
    $700
    South Boulder
  87. Specialized Hardrock Sport Mountain Bike
    $280
    South Boulder
  88. Specialized Roll Sport Comfort Hybrid Bike
    $280
    South Boulder
  89. Castellano Fango Softail Aluminum Frame Mountain Bicycle
    $380
    South Boulder
  90. Schwinn Mesa GSX Aluminum Mountain Bike Front Suspension
    $250
    South Boulder
  91. Cannondale F300 Front Suspension Mountain Bike
    $275
    South Boulder
  92. Torker U District Urban City Single Speed Bicycle
    $120
    South Boulder
  93. Trek 7.3 FX Bicycle
    $250
    South Boulder
  94. Specialized RockHopper Bicycle 🚲
    $200
    South Boulder
  95. LIV Cypress DX Womens Comfort Bike
    $200
    South Boulder
  96. Motobecane Elite Adventure 29" Gravel Hybrid Bike
    $200
    South Boulder
  97. Gary Fisher Napa Mointain Bike
    $250
    South Boulder
  98. Gary Fisher Mamba Front Suspension Mountain Bike
    $200
    South Boulder
  99. Giant ATX780 Front Suspension Mountain Bike
    $200
    South Boulder
  100. Trek 3900 WSD Mountain Bicycle
    $300
    South Boulder
  101. Specialized RockHopper Mountain Bicycle 🚵‍♂️
    $200
    South Boulder
  102. Gary Fisher Mamba Front Suspension Mountain Bike
    $200
    South Boulder
  103. Trek Lime Lite Comfort Bicycle
    $120
    South Boulder
  104. Gary Fisher Kaitai Mountain Bike
    $250
    South Boulder
  105. Specialized XC FSR Aluminum Full Suspension Mountain Bike
    $450
    South Boulder
  106. Specialized Pitch 27.5 Mountain Bike
    $380
    South Boulder
  107. Specialized Expedition Sport Mountain Bike
    $250
    South Boulder
  108. Schwinn Ranger Comfort Commuter 21 Speed Bicycle
    $200
    South Boulder
  109. Iron Horse CT55 Mountain Bicycle
    $150
    South Boulder
  110. Gary Fisher Joshua X1 Full Suspension Mountain Bike
    $320
    South Boulder
  111. Yeti 2019 SB5+ carbon fiber 27.5 (M)
    $1,600
    Longmont
  112. 2022 Specialized Stumpjumper Comp Alloy S3 (Medium)
    $1,400
    Boulder
  113. FUN Cruiser Bike
    $200
    Boulder
  114. Red Barron Felt Cruise Bike
    $200
    Boulder
  115. Giant Revel W1 Disc Woman’s Hardtail Mountain Bike Excellent Tuned
    $380
    Louisville
  116. GIANT Cypress Hybrid / Comfort Bike Excellent Condition Fully Serviced
    $340
    Louisville
  117. Raleigh Venture 3.0 Hybrid / Comfort Bike Like New Condition Tuned
    $280
    Louisville
  118. SCHWINN Sierra GS Woman's Hybrid / Comfort Bike Excellent Cond. Tuned
    $220
    Louisville
  119. Ebike - Novara buzz bike
    $300
    longmont
  120. Cervelo S3 disc
    $3,500
  121. Schwinn Moab 24 Speed Mountain Bike- Professionally Tuned Up
    $250
    Boulder
  122. Trek 3500 Mountain Bike
    $250
    North Boulder
  123. Trek 3200 - Excellent Condition
    $250
    Boulder
  124. Trek 4500 Women's Hardtail Mountain Bike - Professionally Tuned Up
    $250
    Boulder
  125. Quality Refurbished Bicycles at Boulder Affordable Bicycles
    $200
    Boulder
  126. Specialized Hotrock Hardtail Mountain Bike- Professionally Tuned Up
    $250
    Boulder
  127. Trek 820 Hybrid Commuter Bike - Professionally Tuned Up
    $225
    Boulder
  128. Miyata Hybrid Bicycle - Professionally Tuned Up
    $250
    Boulder
  129. Trek Mountain Track City Commuter Bike -Professionally Tuned Up
    $200
    Boulder
  130. Extra Small Trek 8000 Mountain Bike - 26" Wheels- Pro Tuned Up
    $250
    Boulder
  131. Trek Singletrack 920 bike
    $100
    Boulder
  132. Public Ladies bike
    $100
    Boulder
  133. 2005 Raleigh prestige Carbon fiber race road bike 55cm
    $400
    Boulder
  134. Women's Nishiki Simple 7 Speed Commuter With Rack - Tuned Up
    $200
    Boulder
  135. Women's Trek (Turquoise) Step Through Comfortable Hybrid
    $250
    Boulder
  136. K2 Cheyenne Hardtail Mountain Bike Excellent Condition Fully Serviced
    $280
    Louisville
  137. GIANT Simple Seven Woman's Cruiser Bike Like New Condition Just Tuned
    $200
    Louisville
  138. Schwinn Jaguar 7 speed
    $50
    Longmont
  139. TREK Superfly 240 Disc Hardtail Mountain Bike Excellent Cond. Tuned
    $460
    Louisville
  140. TREK Navigator 200 Hybrid / Comfort Bike Great Condition Just Tuned
    $260
    Louisville
  141. Specialized tarmac pro SL7 56cm with SRAM Rival eTap AXS
    $4,500
    Boulder
  142. Trek 820 Hardtail Bike 13in XS 3x7 26x2.0 Blk Suntour Fork
    $180
  143. 2001 Schwinn Homegrown Comp 17"
    $750
    Table Mesa
  144. Motobecane Grand Touring 15-speed Road Bike
    $160
    Longmont
  145. Raleigh M80 Mountain bike 18" frame
    $120
    Boulder
  146. Jamis Citizen 2 Comfort Bicycle
    $275
    South Boulder
  147. Marin San Rafael DS2 - Aluminum Frame, Disc Brakes
    $260
    South Boulder
  148. Vintage MOTOR BICYCLE Ross Cruiser 21" for 5'10-6'4 Tall RAD BIKE!
    $250
    Metro Denver
  149. Schwinn Admiral 7 Speed Cruiser
    $150
  150. Pacific Quasar 21 Speed Mountain Bike
    $125
  151. Vintage Trek 2300 Bro Carbon Road Bike with Shimano Tri Color 600!
    $598
    Part out: Frame, Fork bottom Bracket Stem Handlebars $299!!!
  152. Vintage Trek 2300 Bro Carbon Road Bike with Shimano Tri Color 600!
    $598
    New Part out Frame and Fork $259!!! Aurora Alameda @ I225
  153. Vintage Trek 2300 Bro Carbon Road Bike with Shimano Tri Color 600!
    $598
    Part out, Frame, fork BB stem bars
  154. Vintage Trek 2300 Bro Carbon Road Bike with Shimano Tri Color 600!
    $598
    Now $499!!! NEWPart out!, Frameset $279!!!
  155. Vintage Trek 2300 Bro Carbon Road Bike with Shimano Tri Color 600!
    $598
    Part out, Frame Set $299!!!
  156. Vintage Trek 2300 Bro Carbon Road Bike with Shimano Tri Color 600!
    $598
    Now $499!!! Aurora Alameda @ I225
  157. Vintage Trek 2300 Bro Carbon Road Bike with Shimano Tri Color 600!
    $598
    New: Part Out $249!!! Frame , Fork, Aurora Alameda @ I225
  158. Vintage Trek 2300 Bro Carbon Road Bike with Shimano Tri Color 600!
    $598
    Now $499!!! NEWPart out!, Frameset $279!!!
  159. Vintage Trek 2300 Bro Carbon Road Bike with Shimano Tri Color 600!
    $598
    Now $499!!! NEWPart out!, Frameset $279!!!
  160. Vintage Trek 2300 Bro Carbon Road Bike with Shimano Tri Color 600!
    $598
    Fork, Bottom bracket b $279
  161. Diamondback Lustre 1 21 Speed Front Suspension Mountain Bike
    $80
  162. Specialized Stumpjumper mountain bike, Small
    $120
    Erie
  163. Mongoose Montana 21 Speed Front Suspension Mountain Bike
    $100
  164. TREK SOHO-S Single Speed Road Bike Excellent Condition
    $200
    Louisville
  165. Raleigh Talus Mountain Bike Like New Condition Ready to Ride
    $240
    Louisville
  166. Schwinn Mountain Bike
    $75
    Marshall Rd
  167. Road Bike
    $75
    Marshall Rd
  168. Greg Lemond Nevada City Road Bike
    $275
    Longmont
  169. Elliptigo in Mint condition
    $1,200
    Loveland
  170. Mongoose MGX GRX 6.5
    $120
    Boulder
  171. Rocky Mountain Altitude 10 Full Suspension Mountain Bike
    $400
    Boulder
  172. Schwinn Moab 2 Extra Small tuned ready to ride
    $125
    Boulder
  173. KHS Montana Custom Hybrid/Comfort Bike Excellent Cond. Just Tuned
    $240
    Louisville
  174. Hyper Spin Fusion 700C Hybrid / Road Bike Excellent Condition Tuned
    $180
    Louisville
  175. mountain/cruiser bike
    $100
    Boulder
  176. Novara Moxie 24 Kids Hardtail Mountain Bike Excellent Condition Tuned
    $240
    Louisville
  177. K2 ZED 1.0 Hardtail Mountain Bike Excellent Condition Fully Serviced
    $300
    Louisville
  178. 1963 Schwinn Co-Ed: Genuine Chicago Schwinn
    $220
    Erie
  179. 1982 Schwinn Pixie
    $195
    Erie
  180. Bike Project - Janic Custom Steel Frame by Steve Dorris
    $150
    Longmont
  181. Vintage Trek 2300 Bro Carbon Road Bike with Shimano Tri Color 600!
    $598
    Part out Frame Fork Stem BB Handlebars $299
  182. Vintage Trek 2300 Bro Carbon Road Bike with Shimano Tri Color 600!
    $598
    Part out, Frame Set $299!!!
  183. Schwinn OR2 Hybrid/Comfort Bike Like New Condition Fully Serviced
    $200
    Louisville
  184. Corsa R-Fourteen Road Bike Excellent Condition Fully Serviced
    $280
    Louisville
  185. TREK Navigator 200 Hybrid / Comfort Bike Like New Cond. Fully Serviced
    $340
    Louisville
  186. Diamondback Vital 2 Woman's Hybrid / Comfort Bike Like New Just Tuned
    $280
    Louisville
  187. Quiet Kat All-Terrain Cargo Trailer
    $100
    Erie
  188. 20" Kent Freestyle Bike
    $40
    Erie
  189. BIANCHI Milano Cafe Racer - NEW PRICE for “Spring"
    $700
    Boulder
  190. TREK Navigator 400 Step Through Hybrid / Comfort Bike Like New Tuned
    $340
    Louisville
  191. TREK Navigator 200 Hybrid/Comfort Bike Excellent Condition Just Tuned
    $300
    Louisville
  192. HARO V-Series V1 Hardtail Mountain Bike Excellent Condition Just Tuned
    $280
    Louisville
  193. Velocity orange
    $2,000
    Boulder
  194. Niner Jet RDO 29in mtn-bike
    $1,800
  195. Trek Discovery Channel Road Bike - Small Mint Condition
    $380
    North Boulder
  196. Pedego Adventure MOTO / 230 miles / 7 Battery Cycles
    $3,600
    NOBO
  197. James Frames built by JP Boylan from Boulder Co
    $400
    Boulder Co
  198. Ibis Ripley AF (XL) - 2021 - Very lightly used
    $2,100
    Erie
  199. Trek 2.3 alpha 58cm road
    $475
    Erie
  200. Raleigh Technium ATB-All Terrain Bike Excellent Cond. Fully Serviced
    $320
    Louisville
  201. TREK 720 MultiTrack Hybrid / Comfort Bike Excellent Condition Tuned
    $280
    Louisville
  202. Schwinn Vintage Bicycle - 18” frame
    $100
    Longmont
  203. 2022 Trek Slash 9.8 XT size M/L Full Suspension
    $2,750
    Lyons
  204. Panasonic Villager DX Hybrid / Comfort Bike Excellent Condition Tuned
    $200
    Louisville
  205. SuperFly 100 with newer / ugraded compnents 1x11 Large
    $700
    Boulder
  206. Rans Cruz recumbent bicycle, medium
    $800
    Longmont
  207. Univega Via Carisma Hybrid / Comfort Bike Excellent Condition Tuned
    $260
    Louisville
  208. TREK 3500 Hardtail Mountain Bike Excellent Condition Fully Serviced
    $280
    Louisville
  209. Specialized Turbo Levo SL 2 Comp Carbon Large-Brand New!!!
    $5,300
    Louisville
  210. Schwinn “Sid” automatic 3 speed cruiser
    $200
    Louisville
  211. FUJI Monterey Hybrid / Comfort Bike Like New Condition Fully Serviced
    $380
    Louisville
  212. TREK 7.2 FX Hybrid / Gravel Bike Excellent Condition Fully Serviced
    $380
    Louisville
  213. Burley d'Lite bicycle trailer
    $150
    Longmont
  214. Giant Defy Advanced 3 large
    $450
  215. Black Ops BMX Handle Bar, Brand-New!
    $20
    Boulder
  216. L.E.D Spoke Lights x 2, Brand New, Awesome patterns!
    $20
    Boulder, CO
  217. Extra Large Spot Mayhem 130 carbon 29er
    $2,100
    Boulder
  218. Large Specialized S-Works Stumpjumper 29 XX1 (excellent shape)
    $1,999
    Boulder
  219. Medium 2023 Trek Slash 9.8 AXS carbon 29er ($4k on bluebook)
    $3,200
    Boulder
  220. Medium Scott Speedster S20 Triple
    $299
    Boulder
  221. Da Vinci Tandem
    $3,000
    Lafayette
  222. Vintage Trek 2300 Bro Carbon Road Bike with Shimano Tri Color 600!
    $598
    Frame,Fork, Stem Han $299!!
  223. Like New Marin Donkey Jr. 18" kids bike
    $170
    Longmont
  224. Like new 16" Cannondale Kids Bike
    $250
    Longmont
  225. Giant TCR Czero Road Bicycle
    $600
    North Boulder
  226. JEEP Hardtail Mountain Bike Excellent Condition Ready to Ride
    $200
    Louisville
  227. GIANT MTX 225 Kids Mountain Bike Good Condition Fully Serviced
    $160
    Louisville
  228. Trailcraft Timber 26
    $1,500
    Boulder
  229. Road bike Schwinn fastback
    $300
    Boulder
  230. Kids Scott Orange Mountain Bike - 24" Wheels - Mint Condition
    $225
    Boulder
  231. Women's Specialized Hybrid - Professionally Tuned Up
    $250
    Boulder
  232. Gary Fisher Mamba Hardtail Mountain Bike Excellent Condition Tuned
    $240
    Louisville
  233. Ancheer 26" Electric Mountain Bike MAX
    $90
    Boulder
  234. RADIO FLYER TRICYCLE
    $40
    Boulder
  235. Specialized FSR Ground Control Mountain Bike
    $200
    Erie
  236. Australian "Malvern Star Sprint 1.0" - 700c Road wheels/tires
    $100
    Longmont
  237. Cannondale Silk Road 500 CAD3 Road Bike w/Head Shok
    $400
    Louisville
  238. E-Bike Ultimate Townie Ride Tern GSD S00LX Electric Cargo Bike LOADED!
    $5,000
    Buena Vista
  239. Pivot Trail 429 XL frame
    $2,800
    Louisville
  240. Yeti SB115 T2 Turq - Large
    $3,950
    Boulder
  241. Bianchi Infinito CV 61cm, Ultegra - 16 pounds!
    $975
    E Boulder
  242. BH Crystal Woman's carbon road bike - Small
    $975
    e boulder
  243. [SOLD] 2012 Bianchi Infinito 105 – Carbon Road Bike
    $500
    Louisville
  244. Bianchi Denali Mountain Bike
    $100
    Longmont
  245. Pedego City Commuter e-bike
    $500
    longmont
  246. Ibis Ripley v4 XL
    $2,600
  247. GIANT MTX 225 Kids Mountain Bike Excellent Condition Ready to Ride
    $240
    Louisville
  248. Fatbike - REI DRT 4.1
    $500
  249. Aventon Aventure.2 2025 Fat Tire eBike (Large) + Front Rack
    $1,100
    Boulder
  250. E bike 2025 Jaison Hunter Pro foldable
    $900
    Longmont
  251. E bike 2019 Rad Rover Fat tire
    $800
    Longmont
  252. 26’ kids mountain bike
    $55
    Lafayette
  253. 2025 Trek Madone SLR Carbon Road Bike Large
    $6,750
    Boulder
  254. TREK 4300 Hardtail Mountain Bike Excellent Condition Fully Serviced
    $300
    Louisville
  255. Brand New TREK Mountain Bike - $700 OBO
    $700
    Boulder
  256. Kids' Extra Small Specialized Mountain Bikes - 26" Wheels-Tuned Up
    $250
    Boulder
  257. Kids' Extra Small Trek Mountain Bikes -26" Wheels - Pro Tuned Up
    $250
    Boulder
  258. Trek Verve+ 3 Electric Bike XS
    $1,495
    Boulder
  259. LeMond Victoire titanium
    $950
    Sobo
  260. Specialized Fuse Expert 29
    $1,500
  261. Prevelo Zulu 5
    $800
    Westminster
  262. Vintage Klein Pulse Mountain Bike
    $285
    Lafayette
  263. Classic custom built Peugeot single speed
    $85
    SE Boulder
  264. Ezip Trailz commuter E-bike for sale
    $375
  265. Giant Sedona ST Hybrid / Commuter Bike Great Condition Fully Serviced
    $200
    Louisville
  266. 2021 Yeti SB 130 T2, XL frame, great condition!
    $3,200
    Boulder
  267. Specialized Tarmac SL7 Comp Rival eTAP AXS - 58 cm
    $2,800
    Boulder
  268. Specialized Expedition
    $50
    Longmont
  269. /26" Trek Mountain Bike/New
    $79
    Longmont
  270. Women's Schwinn Sidewinder Steel Frame Cruiser Bike
    $140
    Boulder
  271. bicycles and unicycle
    $45
    Berthoud
  272. 2022 Parlee Gravel Bike
    $5,000
  273. Scott Addict Gravel bike 58cm like new
    $3,000
    Boulder
  274. GT Outpost Trail Bike
    $80
    Longmont
  275. Cruiser
    $100
    Longmont
  276. Circa '76 Mizutani Super Seraph
    $650
    Longmont
  277. Gazelle ladies e-bike
    $1,000
    Boulder
  278. Obed GVR Large Carbon Gravel Bike
    $2,995
    Boulder
  279. Raleigh kids bike in good conditions
    $120
    Boulder,CO
  280. Woom 4 kids bike 20” 7-speed
    $400
  281. Specialized Enduro Expert S3 Medium SRAM XO Fox Cushcore
    $3,300
  282. Girls Schwinn pedal bike with 12 inch wheels
    $30
    Boulder Gunbarrel
  283. 2018 Santa Cruz Strega small
    $2,300
    Boulder
  284. Schwinn Traverse 21-speed bike in good condition
    $65
    Niwot, CO
  285. Comfy City Bikes - size L, XL
    $200
    Boulder
  286. Cruiser bikes - size M
    $125
    Boulder
  287. Cruiser bike - XS
    $125
    Boulder
  288. Cruiser bikes - size Large
    $125
    Boulder
  289. Raleigh Townie or Commuter Bike
    $30
    Keewayden
  290. Bicycle - Priority Classic Plus Gotham Edition - belt drive
    $300
    Denver
  291. Trek Fuel 8 29
    $1,500
    Longmont
  292. Kona Jake The Snake cyclocross (MEDIUM)
    $200
    Boulder
  293. Vintage Cannondale F500
    $425
    Boulder
  294. Quintana Roo Ti-phoon triathlon bike
    $700
    Broomfield
  295. Marin San Quentin
    $990
    Longmont
  296. Working bicycles!
    $50
    Boulder
  297. Raleigh townie bike
    $100
    Louisville
  298. Niner Air9
    $1,000
    South Boulder
  299. Masi Premiare Bellisima PC1 Carbon Frame Bike
    $250
  300. Specialized Allez Comp with pump - 58cm
    $800
    Longmont, CO
  301. Boys Specialized Youth Bike
    $175
    Longmont
  302. Amazing springtime commuter! Trek 5th District - Gates belt drive - L
    $150
  303. Trek Rosco 6 XS Mountain Bike
    $800
    South Boulder
  304. Felt Triathalon Bike - GOOD Condition
    $299
    Louisville
  305. Gravity Single-Speed Fixie Track Bike
    $300
    Longmont
  306. Xtracycle Edgerunner 27D with extras, excellent condition, $1000 obo
    $1,000
    Lafayette
  307. Felt FR1 XS 49cm Carbon Road Bike
    $2,290
    Boulder
  308. Mountain Bike
    $1,500
    Erie
  309. Gary Fisher Joshua X1
    $250
    Superior
  310. 2021 Factor O2 VAM Road Bike 49 cm
    $2,700
    Superior
  311. 2024 Cervelo R5 Carbon Road Bike Small 51cm
    $6,950
    Boulder
  312. Giant - Escape City
    $190
    Louisville
  313. Trek Fuel EVO7
    $500
    Boulder
  314. Giant Pre Strider Bike
    $100
    Boulder
  315. Mondonico
    $1,600
  316. Kids Single Speed Cannondale
    $80
  317. Kids 20" bike
    $30
    Boulder
  318. Surly Moonlander fat tire steel bike - 18 inch
    $1,290
    Nederland
  319. kids bike -- Specialized Rockhopper
    $95
    Niwot
  320. Zooz Urban class2 ebike
    $200
    Boulder
  321. 2017 Pivot Mach 5.5 Carbon Mountain Bike — Size Large
    $1,950
    South Boulder
  322. Mag Indoor Bike Trainer With Magnetic Resistance + Climbing Block
    $75
    Louisville
  323. Reaper 26 rocky mountain-
    $1,250
    Boulder
  324. Golden Cycles singlespeed/fixie
    $250
    Longmont
  325. Spring is here! Felt Z95 road bike - size medium/large
    $150
  326. Trek Domane Four Series OCLV Carbon Road Bike 56cm
    $875
  327. Schwinn Sierra 2
    $145
  328. old school BMX magazines ($40 per issue)
    $40
    Lafayette
  329. Alchemy Carbon Road Bike SRAM Red E Tap SM
    $2,500
    Longmont
  330. Dero Fixit Repair Station NEW
    $400
    Longmont
  331. Argon 18 Radon 2013 Road Bike
    $485
    Boulder
  332. Stryde Kids Rollerblades Roller Skates - Pristine Condition
    $12
    Superior
  333. Fuji America mountain chrome bike
    $45
    Boulder
  334. Canondale bike
    $45
    Boulder
  335. Schwinn Ranger
    $200
  336. Lolo “Rad Lad” bike rack
    $150
  337. Lectric E-Trike XP
    $900
    Longmont
  338. Lectric E-Trike XP
    $900
    Longmont
  339. Pivot Mach 4 SL Team World Cup Mountain Bike XL
    $5,795
    Boulder
  340. Surly Wednesday w/lots of upgrades
    $1,500
    Boulder
  341. Felt Brougham (51 cm)
    $250
    Boulder
  342. Serotta CST Titanium Gravel Bike
    $1,500
    Boulder
  343. Trek Roscoe 2026 Large highly upgraded
    $1,900
    Boulder
  344. Trek Farley Low Miles
    $600
    Boulder
  345. XL Banshee Anomaly Frame
    $400
  346. Fuji Silhouette Forza
    $200
    Boulder
  347. Fuji Cross Pro Cyclocross / Gravel Bike, Large
    $400
    Longmont