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craigslist

Bicycles For Sale in Boulder, CO

  1. see also

    electric bikes

    kids bikes

    mountain bikes

    road bikes

  2. K2 Cheyenne Hardtail Mountain Bike Excellent Condition Fully Serviced
    $280
    Louisville
  3. Cannondale Competition Series 3.0 SM900 Aluminum Frame Mountain Bike
    $450
    South Boulder
  4. Gary Fisher Joshua X1 Full Suspension Mountain Bike
    $300
    South Boulder
  5. Gary Fisher Tassajara Aluminum Frame Mountain Bike
    $150
    South Boulder
  6. Trek 2100 ZX Carbon Frame Road Bicycle
    $300
    South Boulder
  7. Cannondale Scalpel 29" Carbon 2 Lefty Mountain Bike
    $1,000
    South Boulder
  8. Giant Boulder Mountain Bike
    $180
    South Boulder
  9. Specialized Rockhopper Aluminum Frame Mountain Bike
    $180
    South Boulder
  10. Jamis Citizen 2 Comfort Bicycle
    $250
    South Boulder
  11. Marin San Rafael DS2 - Aluminum Frame, Disc Brakes
    $260
    South Boulder
  12. Bianchi Vigorelli Bicycle Frame and Fork
    $250
    South Boulder
  13. Bianchi 1885 Reparto Corse Bicycle HAND MADE in ITALY
    $900
    South Boulder
  14. Trek Fuel 90 Full Suspension Mountain Bike 🚲
    $350
    South Boulder
  15. Kona NuNu Mountain Bike
    $200
    South Boulder
  16. Gary Fisher Utopia Hybrid Urban Commuter Bike 🚴‍♂️
    $250
    South Boulder
  17. Schwinn Traveler Road Bike - Vintage
    $200
    South Boulder
  18. Nishiki Bravo Mtn Bicycle
    $125
    South Boulder
  19. Gary Fisher Cake 3 DLX Bicycle Full Suspension Hydraulic Disc Brakes
    $450
    South Boulder
  20. Cannondale F600 Comp Mountain Bicycle
    $250
    South Boulder
  21. Trek 6500 Aluminum Frame Mountain Bike - Orange
    $200
    South Boulder
  22. Specialized HardRock FS Mountain Bike - Silver
    $200
    South Boulder
  23. Trek 6500 Aluminum Frame Mountain Bicycle - Blue
    $200
    South Boulder
  24. Fuji Nevada Mountain Bike
    $150
    South Boulder
  25. GT Aggressor 2.0 Aluminum Frame Mountain Bike
    $200
    South Boulder
  26. GT Outpost All Terra Vintage Mountain Bike
    $200
    South Boulder
  27. Fuji Eddy Mountain Bicycle
    $150
    South Boulder
  28. GT Outpost Mountain Bicycle - Front Suspension
    $175
    South Boulder
  29. Giant Rincon Mountain Bicycle
    $200
    South Boulder
  30. Kona Cinder Cone Suspension Mountain Bicycle
    $250
    South Boulder
  31. Kona Hoss Aluminum Frame Mountain Bike
    $250
    South Boulder
  32. Diamondback Octane 24 Suspension Mountain Bike
    $100
    South Boulder
  33. Specialized Hardrock Punk Mountain Bike
    $200
    South Boulder
  34. GT Saddleback Mountain Bike - Front Suspension
    $125
    South Boulder
  35. Schwinn Super Sport GL Road Bike Aluminum Frame
    $250
    South Boulder
  36. Schwinn Woodlands Commuter Hybrid Bike
    $150
    South Boulder
  37. Classic Schwinn s [ 9 five] .3 Aluminum Mountain Bike
    $175
    South Boulder
  38. Schwinn Mesa GS Aluminum Frame Suspension Mountain Bike bicycles
    $225
    South Boulder
  39. Centurion Dave Scott Ironman Expert Vintage Bicycle
    $400
    South Boulder
  40. Classic Diamondback Ascent Mountain Bicycle 🚵‍♂️
    $140
    South Boulder
  41. Felt FA SL Superlight Aluminum Road Bicycle
    $700
    South Boulder
  42. Specialized Hardrock Sport Mountain Bike
    $250
    South Boulder
  43. Specialized Roll Sport Comfort Hybrid Bike
    $250
    South Boulder
  44. Castellano Fango Softail Aluminum Frame Mountain Bicycle
    $380
    South Boulder
  45. Schwinn Mesa GSX Aluminum Mountain Bike Front Suspension
    $250
    South Boulder
  46. Cannondale F300 Front Suspension Mountain Bike
    $275
    South Boulder
  47. Torker U District Urban City Single Speed Bicycle
    $120
    South Boulder
  48. Trek 7.3 FX Bicycle
    $250
    South Boulder
  49. Specialized RockHopper Bicycle 🚲
    $200
    South Boulder
  50. Gary Fisher Napa Mointain Bike
    $250
    South Boulder
  51. Motobecane Elite Adventure 28" Gravel Hybrid Bike
    $200
    South Boulder
  52. Gary Fisher Mamba Front Suspension Mountain Bike
    $200
    South Boulder
  53. Giant ATX780 Front Suspension Mountain Bike
    $200
    South Boulder
  54. Trek 3900 WSD Mountain Bicycle
    $200
    South Boulder
  55. Specialized RockHopper Mountain Bicycle 🚵‍♂️
    $200
    South Boulder
  56. Gary Fisher Mamba Front Suspension Mountain Bike
    $200
    South Boulder
  57. Trek Lime Lite Comfort Bicycle
    $120
    South Boulder
  58. Specialized XC FSR Aluminum Full Suspension Mountain Bike
    $300
    South Boulder
  59. Gary Fisher Kaitai Mountain Bike
    $250
    South Boulder
  60. Specialized Expedition Sport Mountain Bike
    $200
    South Boulder
  61. Specialized Pitch 27.5 Mountain Bike
    $350
    South Boulder
  62. Schwinn Ranger Comfort Commuter 21 Speed Bicycle
    $200
    South Boulder
  63. FUJI Monterey Hybrid / Comfort Bike Like New Condition Fully Serviced
    $380
    Louisville
  64. Gary Fisher Mamba Hardtail Mountain Bike Excellent Condition Tuned
    $240
    Louisville
  65. Corsa R-Fourteen Road Bike Excellent Condition Fully Serviced
    $280
    Louisville
  66. GT Outpost Trail Mountain Bike Excellent Condition Fully Serviced
    $240
    Louisville
  67. 2023 Norco Sight VLT C1 - Large
    $4,500
    Lafayette
  68. Vintage Schwinn Sprint - Step-Through Frame - Town Bike - $125
    $125
    Lafayette
  69. Vintage Schwinn Traveler - Japanese Steel - Great Condition
    $225
    Lafayette
  70. Schwinn Le Tour (Pink/Magenta)
    $300
    Lafayette
  71. Mongoose Sahara 21 Speed Front Suspension Mountain Bike
    $100
  72. Schwinn Jaguar 7 Speed Cruiser
    $150
  73. Trek Navigator 200- large, comfortable hybrid/upright/aluminum
    $130
    Mapleton Hill
  74. Canyon Dude carbon fat tire Large
    $1,300
    Lafayette
  75. Santa Cruz Hightower CC LT + Reserve Wheels
    $2,500
    Boulder
  76. Colnago Vintage Service Course Frameset
    $650
  77. Eddy Merckx Kessels Vintage City Cruiser Bike
    $750
  78. Cervelo C3 Carbon Road Bike 48cm XS
    $1,995
    Boulder
  79. TREK 4300 Hardtail Mountain Bike Excellent Condition Fully Serviced
    $300
    Louisville
  80. Raleigh Technium ATB-All Terrain Bike Excellent Cond. Fully Serviced
    $320
    Louisville
  81. HARO V-Series V1 Hardtail Mountain Bike Excellent Condition Just Tuned
    $280
    Louisville
  82. TREK Navigator 2.0 Hybrid/Comfort Bike Excellent Condition Just Tuned
    $300
    Louisville
  83. Specialized Hard Rock Mountain bike
    $140
    Boulder
  84. Focus Izalco XS Carbon Road Bike
    $490
    Boulder
  85. 2013 YETI 575 mtn.bike
    $500
    Longmont
  86. Yeti xl sb165
    $2,100
    Lyons
  87. Canyon Grail CF SLX Large Gravel Bike
    $3,450
    Boulder
  88. Banshee Prime v3.2 XL frame + Cane Creek Tigon Coil
    $1,300
  89. XL Banshee Anomaly Frame
    $400
  90. GIANT Cypress Hybrid / Comfort Bike Excellent Condition Fully Serviced
    $340
    Louisville
  91. JEEP Hardtail Mountain Bike Excellent Condition Ready to Ride
    $200
    Louisville
  92. TREK Superfly 240 Disc Hardtail Mountain Bike Excellent Cond. Tuned
    $460
    Louisville
  93. GIANT MTX 225 Kids Mountain Bike Excellent Condition Ready to Ride
    $240
    Louisville
  94. Women’s Huffy Cranbrook Cruiser Bicycle
    $100
    Broomfield
  95. Bike Trainer
    $50
    South Boulder (Martin Acres)
  96. Schwinn Admiral 7 Speed Cruiser
    $150
  97. Mongoose Montana 21 Speed Front Suspension Mountain Bike
    $100
  98. 20” Cannondale Kids Bike Good Condition
    $110
    Boulder
  99. 24” Specialized Mountain Bike Good Condition
    $140
    Boulder
  100. 20” Specialized Kids Bike Fair Condition
    $70
    Boulder
  101. 24” Gary Fisher Mountain Bike Good Condition
    $120
    Boulder
  102. Trek Madone SL 5.9 carbon road bike - 2007 54.5 cm
    $875
    Boulder
  103. Bridgestone MB-5 Mountain Bike Excellent Condition Fully Serviced
    $300
    Louisville
  104. Giant Sedona ST Hybrid / Commuter Bike Great Condition Fully Serviced
    $200
    Louisville
  105. NEW Large Specialized Rockhopper Sport Hardtail
    $550
    Boulder
  106. Boys Specialized Youth Bike
    $175
    Longmont
  107. Public Ladies bike
    $100
    Boulder
  108. 2005 Raleigh prestige Carbon fiber race road bike 55cm
    $400
    Boulder
  109. Giant Cypress SX 27 Speed Hybrid
    $150
  110. Miyata 21 Speed Hybrid
    $150
  111. Specialized Rockhopper 13” kids bike
    $80
    Longmont
  112. Cannondale Delta V1500 "vintage" early 1990's mountain bike
    $50
    Boulder
  113. TREK MT 220, MT220 Kids Hardtail Mountain Bike Excellent Cond. Tuned
    $260
    Louisville
  114. TREK 3500 Hardtail Mountain Bike Excellent Condition Fully Serviced
    $280
    Louisville
  115. Stumpjumper 18 inch vintage Aluminum
    $200
  116. Lemond Tete de course Carbon 58cm.
    $250
  117. Trek 58cm 1220 ZX Aluminum 21 Speed US made
    $160
  118. Giant Carbon Hybrid 19inch
    $200
  119. Trek road bike gunmetal blue
    $270
  120. Jamis Diablo Steel MTB 21 inch frame/L
    $200
  121. Trek Single Track 930 USA made 191/2 “
    $140
  122. Shimano Rotors / New with hardware 180
    $25
    Lafayette
  123. Specialized Rockhopper Comp
    $300
  124. E-TRIKE, E TRIKE, VTUVIA, White Electric Tricycle
    $1,400
    boulder
  125. 2018 Niner RLT9 Steel 4-Star Ultegra gravel bike 56cm
    $1,575
    Boulder
  126. Revel Rascal V2 GX Eagle (Medium) – Pinot Gnar – Excellent Condition -
    $4,200
  127. Vintage Schwinn Road Bike
    $100
    SW Longmont
  128. TREK 720 MultiTrack Hybrid / Comfort Bike Excellent Condition Tuned
    $280
    Louisville
  129. RoadMaster Mt. Fury Mountain Bike Great Condition Just Tuned
    $70
    Louisville
  130. Univega Via Carisma Hybrid / Comfort Bike Excellent Condition Tuned
    $260
    Louisville
  131. Pinarello Carbon Women's Road Bike 49cm XS
    $1,250
    Boulder
  132. BH Crystal Woman's carbon road bike - Small
    $950
    e boulder
  133. 2025 Trek Madone SLR Carbon Road Bike Large
    $6,250
    Boulder
  134. Raleigh Talus Mountain Bike Like New Condition Ready to Ride
    $240
    Louisville
  135. Panasonic Villager DX Hybrid / Comfort Bike Excellent Condition Tuned
    $200
    Louisville
  136. Trek Navigator 200 Bike
    $20
    Lafayette
  137. Trek 800 Mountain Bike
    $20
    Lafayette
  138. Surly Midnight Special 54cm
    $2,100
    longmont
  139. Raleigh R500. limited free delivery.
    $210
    greeley
  140. 2001 Schwinn Homegrown Comp 17"
    $675
    Table Mesa
  141. Quality Refurbished Bicycles at Boulder Affordable Bicycles
    $200
    Boulder
  142. Trek 4500 Women's Hardtail Mountain Bike - Professionally Tuned Up
    $250
    Boulder
  143. Trek 3200 - Excellent Condition
    $250
    Boulder
  144. Trek 3500 Mountain Bike
    $250
    North Boulder
  145. Women's Trek (Turquoise) Step Through Comfortable Hybrid
    $250
    Boulder
  146. Kids' Extra Small Specialized Mountain Bikes - 26" Wheels-Tuned Up
    $250
    Boulder
  147. Women's Specialized Hybrid - Professionally Tuned Up
    $250
    Boulder
  148. Kids Specialized Hotrock (Blue) Mountain Bike - 24" Wheels
    $225
    Boulder
  149. Kids / Boys Specialized Hotrock (Green) Mountain Bike - 24" Wheels
    $225
    Boulder
  150. Kids Scott Orange Mountain Bike - 24" Wheels - Mint Condition
    $225
    Boulder
  151. Extra Small Specialized Comp Kids Mountain Bike - 26" Wheels
    $250
    Boulder
  152. 2014 BH G6 - Ultegra
    $2,000
    Berthoud
  153. Recumbent E‑Trike for Sale — Barely Used (Only ~50 Miles!)
    $2,300
    Longmont
  154. 2022 Trek Slash 9.8 XT size M/L Full Suspension
    $2,750
    Lyons
  155. Diamondback Vital 2 Woman's Hybrid / Comfort Bike Like New Just Tuned
    $280
    Louisville
  156. TREK SOHO-S Single Speed Road Bike Excellent Condition
    $200
    Louisville
  157. Schwinn Le Tour GS race road bike
    $200
    Boulder
  158. Pivot Trail 429 XL frame
    $2,499
    Louisville
  159. 2025 Aventon Sinch 2 E Bike w/ Basket
    $575
    Boulder
  160. Burley d'Lite bicycle trailer
    $150
    Longmont
  161. Rad Power Trike
    $1,000
    Boulder
  162. Single speed with a Trek 5200 OCLV carbon fiber frame
    $150
    Boulder
  163. SuperFly 100 with newer / ugraded compnents 1x11 Large
    $700
    Boulder
  164. GIANT Boulder SE Hardtail Mountain Bike Excellent Condition Just Tuned
    $260
    Louisville
  165. DiamondBack Wildwood Hybrid/Commuter Bike Great Condition Just Tuned
    $200
    Louisville
  166. Novara Moxie 24 Kids Hardtail Mountain Bike Excellent Condition Tuned
    $240
    Louisville
  167. Specialized Epic FSR - Size XL
    $250
    Arvada
  168. Kids 20 inch wheel mountain bike
    $50
    Niwot
  169. Charge Grater Uno 8 Speed Road Bike
    $200
  170. /26" Trek Mountain Bike/New
    $79
    Longmont
  171. Raleigh USA M-55 Hardtail Mountain Bike Excellent Condition Just Tuned
    $220
    Louisville
  172. Quintana Roo TT Triathlon Race Bike - 55 cm
    $500
    SW Longmont
  173. Schwinn Le Tour 10 Speed Tall Frame Road Bike
    $150
  174. Obed GVR Large Carbon Gravel Bike
    $2,690
    Boulder
  175. Very Excellent LECTRIC EBike
    $600
    Boulder
  176. Diamondback Lustre 1 21 Speed Front Suspension Mountain Bike
    $80
  177. Pacific Quasar 21 Speed Mountain Bike
    $125
  178. KHS Montana Custom Hybrid/Comfort Bike Excellent Cond. Just Tuned
    $240
    Louisville
  179. GIANT MTX 225 Kids Mountain Bike Good Condition Fully Serviced
    $160
    Louisville
  180. Raleigh Alysa 1 Hybrid / Gravel Bike Like New Condition Fully Serviced
    $280
    Louisville
  181. TREK 1000C Road Bike Excellent Condition Fully Serviced
    $480
    Louisville
  182. Kona ultralight Steel 16 1/2 inch frame
    $260
  183. RECUMBENT Burley Cantos 24 Speed TUNED UP RIDE READY!
    $250
    Metro Denver
  184. Vintage MOTOR BICYCLE Ross Cruiser 21" for 5'10-6'4 Tall RAD BIKE!
    $250
    Metro Denver
  185. Wahoo Kickr Bike PRICE DROP
    $1,850
    Erie
  186. Shogun 200 series road bike 26
    $50
    Longmont
  187. Schwinn bike and trailer
    $200
    Boulder
  188. TREK Navigator 400 Step Through Hybrid / Comfort Bike Like New Tuned
    $340
    Louisville
  189. K2 ZED 1.0 Hardtail Mountain Bike Excellent Condition Fully Serviced
    $300
    Louisville
  190. Raleigh Venture 3.0 Hybrid / Comfort Bike Excellent Condition Tuned
    $300
    Louisville
  191. Bakcou Single Wheel Hunting Cargo Trailer - UPGRADED Fox Air Shock
    $300
    Boulder
  192. Overland A/T Cargo Fat Tire Class 2 eBike *Only 1 Left*
    $1,500
    Louisville
  193. 1980 Trek 412 steel road bike, tall 24" size
    $120
    Boulder / Lafayette
  194. 2012 Surly Pugsley Black Ops/Necromancer 20" (L), 2 wheelsets, extras
    $1,700
  195. stolen Wilier Filante?
    $0
    boulder
  196. Gravity Single-Speed Fixie Track Bike
    $300
    Longmont
  197. Working bicycles!
    $50
    Boulder
  198. Extra Large Spot Mayhem 130 carbon 29er
    $1,750
    Boulder
  199. GT Bullet Kids Mountain Bike Excellent Condition Fully Serviced
    $180
    Louisville
  200. TREK Navigator 200 Hybrid/Comfort Bike Excellent Condition Just Tuned
    $300
    Louisville
  201. Large Specialized S-Works Stumpjumper 29 XX1 (excellent shape)
    $1,900
    Boulder
  202. Medium 2023 Trek Slash 9.8 AXS carbon 29er ($4k on bluebook)
    $2,999
    Boulder
  203. TREK FX 7.4 WSD Woman's Hybrid/Gravel Bike Excellent Cond. Just Tuned
    $380
    Louisville
  204. SCHWINN Sierra GS Woman's Hybrid / Comfort Bike Excellent Cond. Tuned
    $220
    Louisville
  205. Handmade Bilinkey Tandem – Great Condition!
    $800
    boulder
  206. Giant road bike
    $175
    boulder
  207. 2016 Dartmoor 26Player 26"
    $875
    Boulder
  208. Australian "Malvern Star Sprint 1.0" - 700c Road wheels/tires
    $100
    Longmont
  209. Giant Revel W1 Disc Woman’s Hardtail Mountain Bike Excellent Tuned
    $380
    Louisville
  210. GIANT Simple Seven Woman's Cruiser Bike Like New Condition Just Tuned
    $200
    Louisville
  211. TREK 7.2 FX Hybrid / Gravel Bike Excellent Condition Fully Serviced
    $360
    Louisville
  212. TREK Navigator 200 Hybrid / Comfort Bike Like New Cond. Fully Serviced
    $340
    Louisville
  213. Vintage Cannondale F500
    $325
    Boulder
  214. Liv Alight commuter bike – fully equipped, ready to ride immediately!
    $225
    East Boulder
  215. Trek 820 Hardtail Bike 13in XS 3x7 26x2.0 Blk Suntour Fork
    $180
  216. Soma Groove - Medium (26" + XT + RaceFace)
    $325
    Boulder / College
  217. CYCPLUS AS2 Pro Max Tiny Bike Tire Pump
    $40
    Longmont
  218. Specialized Turbo Como 4.0 eBike Size M w/Hitch Rack
    $2,800
    Longmont
  219. Rocky Mountain Altitude 10 Full Suspension Mountain Bike
    $400
    Boulder
  220. Schwinn OR2 Hybrid/Comfort Bike Like New Condition Fully Serviced
    $200
    Louisville
  221. FUJI Newest 3.0 Road Bike Excellent Condition Fully Serviced
    $380
    Louisville
  222. Hyper Spin Fusion 700C Hybrid / Road Bike Excellent Condition Tuned
    $180
    Louisville
  223. TREK Navigator 200 Hybrid / Comfort Bike Great Condition Just Tuned
    $260
    Louisville
  224. Vevor 26 Tricycle
    $150
  225. Doona Trike
    $75
    Louisville
  226. Trek x-caliber
    $300
    Longmont
  227. Bike Project - Janic Custom Steel Frame by Steve Dorris
    $150
    Longmont
  228. Giant Sedona DX Bicycles
    $200
    Longmont, CO
  229. Schwinn “Sid” automatic 3 speed cruiser
    $200
    Louisville
  230. Specialized Turbo Levo SL 2 Comp Carbon Large-Brand New!!!
    $5,300
    Louisville
  231. Vintage Trek 2300 Bro Carbon Road Bike with Shimano Tri Color 600!
    $598
    New Part Out Frame, Fork BB stem handlebars $299
  232. Vintage Trek 2300 Bro Carbon Road Bike with Shimano Tri Color 600!
    $598
    New: Part Out $299!! Frame , Fork, Aurora Alameda @ I225
  233. Vintage Trek 2300 Bro Carbon Road Bike with Shimano Tri Color 600!
    $598
    Part out Frame Fork BB Stem Han $299
  234. Vintage Trek 2300 Bro Carbon Road Bike with Shimano Tri Color 600!
    $598
    Frame,Fork, Stem Han $299!!
  235. Vintage Trek 2300 Bro Carbon Road Bike with Shimano Tri Color 600!
    $598
    Part out: Frame, Fork bottom Bracket Stem Handlebars $299!!!
  236. Vintage Trek 2300 Bro Carbon Road Bike with Shimano Tri Color 600!
    $598
    Part out, Frame Set $299!!!
  237. Vintage Trek 2300 Bro Carbon Road Bike with Shimano Tri Color 600!
    $598
    New Part out Frame and Fork $259!!! Aurora Alameda @ I225
  238. Vintage Trek 2300 Bro Carbon Road Bike with Shimano Tri Color 600!
    $598
    Part out, Frame, fork BB stem bars
  239. Vintage Trek 2300 Bro Carbon Road Bike with Shimano Tri Color 600!
    $598
    Now $499!!! NEWPart out!, Frameset $279!!!
  240. Vintage Trek 2300 Bro Carbon Road Bike with Shimano Tri Color 600!
    $598
    Part out, Frame Set $299!!!
  241. Vintage Trek 2300 Bro Carbon Road Bike with Shimano Tri Color 600!
    $598
    Now $499!!! Aurora Alameda @ I225
  242. Vintage Trek 2300 Bro Carbon Road Bike with Shimano Tri Color 600!
    $598
    Now $499!!! NEWPart out!, Frameset $279!!!
  243. Vintage Trek 2300 Bro Carbon Road Bike with Shimano Tri Color 600!
    $598
    Now $499!!! NEWPart out!, Frameset $279!!!
  244. Vintage Trek 2300 Bro Carbon Road Bike with Shimano Tri Color 600!
    $598
    Fork, Bottom bracket b $279
  245. Very Nice Hoverfly E-Bike
    $500
    Boulder
  246. 2 Huffy Cranbrook cruisers
    $300
    Longmont
  247. TREK 1000 SL Road Bike Excellent Condition Fully Serviced
    $380
    Louisville
  248. Pinarello kids road 24
    $300
    Boulder
  249. Vintage Trek 2300 Bro Carbon Road Bike with Shimano Tri Color 600!
    $598
    New: Part out Frame fork BB stem H-bar
  250. 2026 Specialized Sirrus X - XL
    $600
    Arvada
  251. Argon 18 Radon 2013 Road Bike
    $485
    Boulder
  252. Trek 2.3 alpha 58cm road
    $415
    Erie
  253. Titanium 2003 Litespeed Ghisallo Road Bicycle
    $1,800
    Longmont, CO
  254. Trek Madone SL Gen 8 (2026) Sram Force AXS build, Size M/L
    $4,500
  255. Kids Bike, Scooter
    $50
    Niwot
  256. 2024 Cervelo R5 Carbon Road Bike Small 51cm
    $6,250
    Boulder
  257. Niner Jet RDO
    $1,800
  258. North Shore 6-Bike Hitch Rack
    $650
    Erie
  259. Trek 3500
    $150
    erie
  260. Cannondale SuperSix (54) Carbon + Ultegra
    $525
    Boulder / College
  261. Bike Specialized Fatboy M5
    $500
    Boulder
  262. Giant Pre Strider Bike
    $100
    Boulder
  263. Ibis Ripley v4 XL
    $2,600
  264. Kids Single Speed Cannondale
    $50
  265. SANTA CRUZ
    $600
    BOULDER
  266. KLEIN ROAD BIKE
    $600
    BOULDER
  267. Salsa Mukluk Carbon Fat Bike (M) - XO Eagle Upgrades - Barely Ridden
    $1,500
    Arvada
  268. Gary Fisher Joshua X1
    $230
    Superior
  269. 2021 Factor O2 VAM Road Bike 49 cm
    $2,700
    Superior
  270. Fuji Silhouette Forza
    $160
    Boulder
  271. Golden Cycles singlespeed/fixie
    $200
    Longmont
  272. Mag Indoor Bike Trainer With Magnetic Resistance + Climbing Block
    $75
    Louisville
  273. Kent Glendale 7 speed
    $145
    Longmont
  274. Red Barron Felt Cruise Bike
    $200
    Boulder
  275. FUN Cruiser Bike
    $200
    Boulder
  276. Pivot Mach 4 SL Team World Cup Mountain Bike XL
    $5,450
    Boulder
  277. For Sale: Liv (Giant) 20” Kids’ Bike
    $100
    Superior
  278. For Sale: Trek 24” Kids’ Mountain Bike
    $175
    Superior
  279. old school BMX magazines ($40 per issue)
    $40
    Lafayette
  280. Stryde Kids Rollerblades Roller Skates - Pristine Condition
    $9
    Superior
  281. Vintage Trek 2300 Bro Carbon Road Bike with Shimano Tri Color 600!
    $598
    New: Part Out $299!!! Frame , Fork, Aurora Alameda @ I225
  282. REI Co op E-Bike Generation E1.1 w/ REI Saddle Bags
    $599
    South Boulder
  283. 2023 Ripley AF Frame (Size L - M/L) plus parts
    $600
    Boulder
  284. Rocky Mountain Sherpa Touring/Gravel bike - Small
    $465
  285. Fit BMX Bike
    $265
  286. Intense 951 XC Mountain Bike – Full Carbon, Size Medium
    $3,000
  287. Trek Boone Carbon Gravel / Cyclocross bike 54cm / Medium
    $2,995
    Boulder
  288. Trek Mt.Track X
    $30
    Longmont
  289. Trek FX1
    $200
    Boulder
  290. kids bike -- Specialized Rockhopper
    $95
    Niwot
  291. 2008 Trek Madone 5.2
    $350
  292. Women's Specialized Dolce Road Bike White
    $325
    Louisville
  293. Dero Fixit Repair Station NEW
    $400
    Longmont
  294. Extra Small Trek 8000 Mountain Bike - 26" Wheels- Pro Tuned Up
    $250
    Boulder
  295. Miyata Hybrid Bicycle - Professionally Tuned Up
    $250
    Boulder
  296. Trek 820 Hybrid Commuter Bike - Professionally Tuned Up
    $225
    Boulder
  297. Specialized Hotrock Hardtail Mountain Bike- Professionally Tuned Up
    $250
    Boulder
  298. Trek Mountain Track City Commuter Bike -Professionally Tuned Up
    $200
    Boulder
  299. Women's cruiser bike
    $75
    Lafayette
  300. Men's cruiser bike
    $85
    Lafayette
  301. Motorized bike
    $147
    Lafayette
  302. Verde Prism 20-inch BMX Bike
    $100
    Louisville, CO
  303. Specialized Roubaix Expert 2006
    $599
    Boulder
  304. The Bobbsey Twins 1950 book
    $5
    Longmont
  305. Bianchi Brava road bike. 20.5". limited free delivery.
    $175
    Greeley
  306. Vintage Centurion Elite RS. Free delivery.
    $221
    Greeley
  307. Lauf True Grit XL
    $1,900
    Lafayette
  308. Surly Moonlander 29+ XL
    $1,400
    Lafayette
  309. E bike 2019 Rad Rover Fat tire
    $800
    Longmont
  310. E bike 2025 Jaison Hunter Pro foldable
    $900
    Longmont
  311. Good bike rack
    $40
    Boulder
  312. Schwinn Jaguar 7 speed
    $50
    Longmont
  313. Sedona DX Giant bike
    $100
    Boulder
  314. Specialized Allez Epic Carbon. Limited free delivery.
    $375
    Greeley
  315. Raleigh Rush Hour fixie. 22"
    $129
    Greeley
  316. Univega Modo Vivere. 50cm. Campy and Columbus.
    $249
    Greeley
  317. Trek Soho single speed. Lightweight
    $81
    Greeley
  318. Serotta CST Titanium Gravel Bike
    $1,500
    Boulder
  319. BikeE 1998 or later. 8 Gears, nice brakes and windshield!!!!!!
    $340
    Golden
  320. AWESOME E-BIKE STEP THRU CRUISER…
    $1,500
    Boulder
  321. Giant TCR Czero Road Bicycle
    $500
    North Boulder
  322. Lemond Poprad
    $450
    Boulder
  323. Bluvall K10 Ebike Boxed from Manufacturer
    $1,599
    Longmont
  324. Mondonico
    $1,600
  325. James Frames built by JP Boylan from Boulder Co
    $300
    Boulder Co
  326. Seven Axiom Road Bike
    $650
    Boulder
  327. Ancheer 26" Electric Mountain Bike MAX
    $90
    Boulder
  328. RADIO FLYER TRICYCLE
    $40
    Boulder
  329. Greg Lemond Nevada City Road Bike
    $275
    Longmont
  330. Two Transeo GT 3.0 Mountain Bikes with custom parts ($65ea)
    $65
    Arvada
  331. Immaculate BMC Teammachine SLR01 DISC ONE, 54 cm
    $2,100
    Boulder
  332. Murray Monterey Crusier Bike
    $75
    N. Boulder
  333. 2025 Riprock 24 Specialized kids bike w upgrades
    $660
  334. E-Bike for Sale
    $900
    Boulder
  335. Surly Wednesday w/lots of upgrades
    $1,500
    Boulder
  336. 2023 Large Giant Defy Advanced 1
    $2,000
    Vail
  337. Schwinn Sierra Bike
    $75
  338. Circa '76 Mizutani Super Seraph
    $650
    Longmont