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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. RoadMaster Mt. Fury Mountain Bike Great Condition Just Tuned
    $70
    Louisville
  3. FUJI Newest 3.0 Road Bike Excellent Condition Fully Serviced
    $480
    Louisville
  4. Australian "Malvern Star Sprint 1.0" - 700c Road wheels/tires
    $100
    Longmont
  5. Trek 3500
    $200
    erie
  6. Diamondback Lustre 1 21 Speed Front Suspension Mountain Bike
    $100
  7. Trek 6500ZX 21 Speed Front Suspension Mountain Bike
    $150
  8. 2023 Radrunner Plus E - Bike
    $1,000
    Louisville
  9. New Burley Piccolo Child Bike Tagalong Trailercycle
    $290
    Boulder
  10. Large Specialized S-Works Stumpjumper 29 XX1 (excellent shape)
    $1,999
    Boulder
  11. Extra Large Spot Mayhem 130 5 star AXS build carbon 29er
    $2,300
    Boulder
  12. Medium Scott Speedster S20 Triple
    $299
    Boulder
  13. Giant Revel W1 Disc Woman’s Hardtail Mountain Bike Excellent Tuned
    $380
    Louisville
  14. Corsa R-Fourteen Road Bike Excellent Condition Fully Serviced
    $280
    Louisville
  15. TREK 4300 Hardtail Mountain Bike Excellent Condition Fully Serviced
    $300
    Louisville
  16. GT Outpost Trail Mountain Bike Excellent Condition Fully Serviced
    $240
    Louisville
  17. Specialized Vita Elite Women’s Hybrid City Gravel L 700x32 3x9
    $300
  18. Specialized Hot Rock Youth Mountain Bicycle
    $125
    South Boulder
  19. Trek Lime Lite Comfort Bicycle
    $120
    South Boulder
  20. Gary Fisher Kaitai Mountain Bike
    $250
    South Boulder
  21. Specialized XC FSR Aluminum Full Suspension Mountain Bike
    $400
    South Boulder
  22. Specialized Pitch 27.5 Mountain Bike
    $380
    South Boulder
  23. Specialized Expedition Sport Mountain Bike
    $250
    South Boulder
  24. Schwinn Ranger Comfort Commuter 21 Speed Bicycle
    $200
    South Boulder
  25. Electra Cruiser Beach Cruiser Bicycle
    $90
    South Boulder
  26. Iron Horse CT55 Mountain Bicycle
    $150
    South Boulder
  27. Specialized Hot Rock 24"
    $200
    Erie
  28. Gary Fisher Joshua X1 Full Suspension Mountain Bike
    $320
    South Boulder
  29. Giant Boulder Mountain Bike
    $180
    South Boulder
  30. 1963 Schwinn Co-Ed: Genuine Chicago Schwinn
    $225
    Erie
  31. 1982 Schwinn Pixie
    $195
    Erie
  32. Nishiki Bravo Mtn Bicycle
    $125
    South Boulder
  33. Centurion Dave Scott Ironman Expert Vintage Bicycle
    $400
    South Boulder
  34. Schwinn Mesa GS Aluminum Frame Suspension Mountain Bike bicycles
    $225
    South Boulder
  35. Classic Schwinn s [ 9 five] .3 Aluminum Mountain Bike
    $175
    South Boulder
  36. Schwinn Woodlands Commuter Hybrid Bike
    $150
    South Boulder
  37. Vintage Trek 710 Road Bike - Excellent Condition
    $400
    South Boulder
  38. Schwinn Super Sport GL Road Bike Aluminum Frame
    $300
    South Boulder
  39. GT Saddleback Mountain Bike - Front Suspension
    $125
    South Boulder
  40. Diamondback Octane 24 Suspension Mountain Bike
    $200
    South Boulder
  41. Specialized Hardrock Punk Mountain Bike
    $225
    South Boulder
  42. Kona Cinder Cone Suspension Mountain Bicycle
    $250
    South Boulder
  43. Kona Hoss Aluminum Frame Mountain Bike
    $250
    South Boulder
  44. Giant Rincon Mountain Bicycle
    $200
    South Boulder
  45. GT Outpost Mountain Bicycle - Front Suspension
    $175
    South Boulder
  46. GT Outpost All Terra Vintage Mountain Bike
    $200
    South Boulder
  47. Fuji Eddy Mountain Bicycle
    $200
    South Boulder
  48. GT Aggressor 2.0 Aluminum Frame Mountain Bike
    $200
    South Boulder
  49. Fuji Nevada Mountain Bike
    $200
    South Boulder
  50. Trek 6500 Aluminum Frame Mountain Bike - Orange
    $300
    South Boulder
  51. Trek 6500 Aluminum Frame Mountain Bicycle - Blue
    $300
    South Boulder
  52. Specialized HardRock FS Mountain Bike - Silver
    $225
    South Boulder
  53. Gary Fisher Cake 3 DLX Bicycle Full Suspension Hydraulic Disc Brakes
    $480
    South Boulder
  54. Cannondale F600 Comp Mountain Bicycle
    $250
    South Boulder
  55. Specialized Hardrock Sport Mountain Bike
    $280
    South Boulder
  56. Felt FA SL Superlight Aluminum Road Bicycle
    $700
    South Boulder
  57. Giant Boulder Hybrid Mountain Commuter Bike
    $200
    South Boulder
  58. Cannondale F300 Front Suspension Mountain Bike
    $275
    South Boulder
  59. Specialized Custom Single Speed Townie Bicycle
    $100
    South Boulder
  60. Schwinn Mesa GSX Aluminum Mountain Bike Front Suspension
    $250
    South Boulder
  61. Castellano Fango Softail Aluminum Frame Mountain Bicycle
    $380
    South Boulder
  62. Specialized Roll Sport Comfort Hybrid Bike
    $280
    South Boulder
  63. Trek 3900 WSD Mountain Bicycle
    $300
    South Boulder
  64. Giant ATX780 Front Suspension Mountain Bike
    $200
    South Boulder
  65. Specialized Turbo Levo SL 2 Comp Carbon Large-Brand New!!!
    $5,300
    Louisville
  66. Trek Women's Neko 1 Mountain Bike
    $250
    Boulder
  67. GT LOLA 24 Disc Kids/Girls Hardtail Mountain Bike Like New Just Tuned
    $380
    Louisville
  68. Raleigh Alysa 1 Hybrid / Gravel Bike Like New Condition Fully Serviced
    $280
    Louisville
  69. Raleigh Talus Mountain Bike Like New Condition Ready to Ride
    $240
    Louisville
  70. SCHWINN Sierra GS Woman's Hybrid / Comfort Bike Excellent Cond. Tuned
    $220
    Louisville
  71. Aventon Ramblas - Small - 28mph pedal assist!
    $2,200
    Niwot
  72. 2025 Specialized Diverge Sport Carbon Gravel Bike, Size 58
    $1,400
    boulder
  73. Diamondback Recoil Full-Susp 29er Disc Brakes Large 3x8
    $300
  74. Mongoose Sycamore bike for medium/tall person
    $100
    Boulder
  75. mountain/cruiser bike
    $140
    Boulder
  76. DIAMONDBACK OVERRIDE BICYCLE w GRIP SHIFTS
    $100
    North Boulder Area
  77. 2016 Santa Cruz Tallboy C XL
    $1,400
    boulder
  78. Bicycle Quintana Roo
    $60
    Nederland
  79. Vintage PINK Squadra BIANCHI bicycle
    $100
    Boulder
  80. Benno Remi Demi 9D Evo performance/performance sport ebikes with accessories
    $2,000
    Boulder
  81. Fuji Absolute 4.0 21 Speed Hybrid
    $125
  82. Dynacraft Aftershock 18 Speed Dual Suspension Mountain Bike
    $100
  83. Vintage Trek 2300 Bro Carbon Road Bike with Shimano Tri Color 600!
    $598
    Now $499!!! Aurora Alameda @ I225
  84. Bike Project - Janic Custom Steel Frame by Steve Dorris
    $150
    Longmont
  85. Specialized Hardrock Sport - Medium
    $80
    Arvada
  86. Jamis Explorer 21 Speed Hybrid
    $125
  87. Raleigh M40 21 Speed Front Suspension Mountain Bike
    $150
  88. Mongoose Montana 21 Speed Front Suspension Mountain Bike
    $125
  89. TREK 3500 Hardtail Mountain Bike Excellent Condition Fully Serviced
    $280
    Louisville
  90. Raleigh Venture 3.0 Hybrid / Comfort Bike Excellent Condition Tuned
    $280
    Louisville
  91. TREK MT 220, MT220 Kids Hardtail Mountain Bike Excellent Cond. Tuned
    $260
    Louisville
  92. Trek 6500ZX 21 Speed Front Suspension Mountain Bike
    $150
  93. Roadmaster 18 Speed Mountain Bike
    $60
  94. Quintana Roo TT Triathlon Race Bike - 55 cm
    $500
    SW Longmont
  95. Raleigh 3-speed
    $140
    S. Boulder
  96. Sportneer Bike trainer (bike not included)
    $30
    Boulder
  97. JEEP Hardtail Mountain Bike Excellent Condition Ready to Ride
    $200
    Louisville
  98. TREK FX 7.4 WSD - Woman's Hybrid / Gravel Bike Like New Fully Serviced
    $380
    Louisville
  99. Bridgestone MB-5 Mountain Bike Excellent Condition Fully Serviced
    $300
    Louisville
  100. GIANT MTX 225 Kids Mountain Bike Excellent Condition Ready to Ride
    $240
    Louisville
  101. Miyata Hybrid Bicycle
    $250
    Boulder
  102. Trek 4500 Women's Hardtail Mountain Bike
    $250
    Boulder
  103. Schwinn Moab 24 Speed Mountain Bike
    $250
    Boulder
  104. Trek 3200 - Excellent Condition
    $250
    Boulder
  105. Kids Specialized Hotrock (Blue) Mountain Bike - 24" Wheels
    $225
    Boulder
  106. Kids / Boys Specialized Hotrock (Green) Mountain Bike - 24" Wheels
    $225
    Boulder
  107. Kids' Extra Small Trek Mountain Bikes - 26" Wheels - Pro Tuned Up
    $250
    Boulder
  108. Kids' Extra Small Specialized Mountain Bikes-26" Wheels- Pro Tuned Up
    $250
    Boulder
  109. Quality Refurbished Bicycles @ Boulder Affordable Bicycles
    $200
    Boulder
  110. Women's Specialized Hybrid
    $250
    Boulder
  111. Women's Trek (Turquoise) Step Through Comfortable Hybrid
    $250
    Boulder
  112. Women's Nishiki Simple 7 Speed Commuter With Rack
    $200
    Boulder
  113. Small / Medium Specialized Mountain Bikes x 4 - Tuned Up
    $250
    Boulder
  114. Trek FX 7.1 Fast Hybrid
    $250
    Boulder
  115. Small / Medium Specialized Mountain Bikes x 4 - Tuned Up
    $250
    Boulder
  116. E-Bike Ultimate Townie Ride Tern GSD S00LX Electric Cargo Bike LOADED!
    $5,000
    Buena Vista
  117. Trek Women's XS 49cm Road Bike
    $375
    Boulder
  118. Medium Giant Road Bike
    $145
    Boulder
  119. Raleigh USA M-55 Hardtail Mountain Bike Excellent Condition Just Tuned
    $220
    Louisville
  120. TREK 3700 Hardtail Mountain Bike Excellent Condition Fully Serviced
    $280
    Louisville
  121. KONA Stinky 24 Disc Full suspension Downhill Mountain Bike Just Tuned
    $880
    Louisville
  122. TREK Navigator 2.0 Hybrid/Comfort Bike Excellent Condition Just Tuned
    $300
    Louisville
  123. Mountain Bike needs new home
    $250
  124. Scott Sportster P3 Commuter/ Hybrid Bike For Sale
    $240
    Lafayette
  125. Novara Pika Women's Hardtail Mountain Bike For Sale
    $90
    Lafayette
  126. 2023 Trek Slash 9.8
    $2,000
  127. Specialized Vita - Women's Small, 24spd
    $40
    Longmont
  128. Shogun 200 series road bike 26
    $50
    Longmont
  129. Rockrider ST 100 trail / mountain bike
    $140
    Boulder
  130. Yamee Fat Bear 750S ebike Excellent condition
    $880
    Boulder
  131. Giant Sedona SE Hardtail Mountain Bike 17.5in Small 26x1.95 3x7
    $195
  132. Mid-century Taiwanese Bicycle
    $500
    Boulder
  133. Diet jumper
    $1,500
    Boulder
  134. Panasonic Villager DX Hybrid / Comfort Bike Excellent Condition Tuned
    $200
    Louisville
  135. Hyper Spin Fusion 700C Hybrid / Road Bike Excellent Condition Tuned
    $180
    Louisville
  136. TREK Navigator 200 Hybrid / Comfort Bike Excellent Condition Tuned
    $300
    Louisville
  137. Novara Moxie 24 Kids Hardtail Mountain Bike Excellent Condition Tuned
    $240
    Louisville
  138. Orbea WILD FS H20 E-Bike Dual Suspension Mountain Bike 2022 LG Silver
    $3,950
    Berthoud
  139. 29er’s - Trek/Jamis - Size XL
    $525
    Arvada
  140. Rocky Mounts Bike Rack with Yakima Poles
    $30
    Superior
  141. Vintage Schwinn Road Bike
    $75
    SW Longmont
  142. Schwinn commuter hybrid
    $50
    SE Boulder
  143. TREK 1000 SL Road Bike Excellent Condition Fully Serviced
    $480
    Louisville
  144. TREK Navigator 200 Hybrid / Comfort Bike Excellent Condition Tuned
    $280
    Louisville
  145. GIANT Cypress Hybrid / Comfort Bike Excellent Condition Fully Serviced
    $340
    Louisville
  146. TREK 1000C Road Bike Excellent Condition Fully Serviced
    $480
    Louisville
  147. Vintage Trek 2300 Bro Carbon Road Bike with Shimano Tri Color 600!
    $598
    Now $499!!! OR $349 mid Refurb
  148. Vintage Trek 2300 Bro Carbon Road Bike with Shimano Tri Color 600!
    $598
    Part out, Frame Set $299!!!
  149. Refurbished 12R “Paw Patrol” 18” wheel Honey Joy Adorable
    $99
    For either bike Aurora I225 @ E 2nd Ave
  150. Vintage Trek 2300 Bro Carbon Road Bike with Shimano Tri Color 600!
    $598
    Now $499!!! Aurora Alameda @ I225
  151. Schwinn Solutions FS 27 Speed Front Suspension Mountain Bike
    $100
  152. Trek Antelope Bike
    $50
    Boulder
  153. 2005 Raleigh prestige Carbon fiber race road bike 55cm
    $400
    Boulder
  154. RadCity Electric Commuter Bike
    $500
    S. Boulder
  155. E-bike
    $550
    Boulder
  156. Khs alite 1000
    $125
    Lafayette
  157. Carbon Road Bike Ultegra w/ disc brakes
    $1,250
    S Boulder
  158. Raleigh M40 21 Speed Front Suspension Mountain Bike
    $150
  159. Mongoose Sahara 21 Speed Front Suspension Mountain Bike
    $100
  160. Specialized
    $129
    Longmont
  161. TREK 800 ATB-All Terrain Bike Excellent Condition Fully Serviced
    $200
    Louisville
  162. TREK Superfly 240 Disc Hardtail Mountain Bike Excellent Cond. Tuned
    $460
    Louisville
  163. FUJI Monterey Hybrid / Comfort Bike Like New Condition Fully Serviced
    $380
    Louisville
  164. Univega Via Carisma Hybrid / Comfort Bike Excellent Condition Tuned
    $240
    Louisville
  165. Thule 1.25" Hitch Mount Bike Rack Carrier
    $30
    Louisville
  166. Schwinn Vintage Bicycle - 18” frame
    $100
    Longmont
  167. 36 inch wheel O'Leary custom bike 22 inch frame
    $3,500
  168. kids bike -- Specialized Rockhopper
    $95
    Niwot
  169. Trek 400 Road Bike 1980’s 52cm 3x6 700x23
    $265
  170. Awesome single speed/fixie
    $80
    SE Boulder
  171. Giant Sedona ST Hybrid / Commuter Bike Great Condition Fully Serviced
    $200
    Louisville
  172. Bianchi Infinito CV 61cm, Ultegra
    $1,350
    E Boulder
  173. 2022 Trek Slash 9.8 XT size M/L Full Suspension bike
    $2,750
    Lyons
  174. TREK 7.2 FX Hybrid / Gravel Bike Excellent Condition Ready to Ride
    $380
    Louisville
  175. Schwinn OR2 Hybrid/Comfort Bike Like New Condition Fully Serviced
    $200
    Louisville
  176. GIANT MTX 225 Kids Mountain Bike Good Condition Fully Serviced
    $160
    Louisville
  177. TREK Navigator 200 Hybrid / Comfort Bike Like New Cond. Fully Serviced
    $340
    Louisville
  178. Trek 820 Hardtail Bike 13in XS 3x7 26x2.0 Blk Suntour Fork
    $190
  179. DiamondBack Wildwood Hybrid/Commuter Bike Great Condition Tuned
    $200
    Louisville
  180. KHS Montana Custom Hybrid/Comfort Bike Excellent Cond. Just Tuned
    $240
    Louisville
  181. Schwinn Mesa Hybrid / Comfort Bike Great Condition Fully Serviced
    $200
    Louisville
  182. Da Vinci Tandem
    $3,250
    Lafayette
  183. Moots 33
    $6,000
    Lafayette
  184. High-Power Aniioki A9 Pro Max E-Bike – Practically New (Boulder)
    $3,000
    Table Mesa
  185. Custom Cruiser Green 3-Speed Internal Hub, Wicker Basket, Small
    $245
  186. FUJI Absolute 4.0 Hybrid/Gravel Bike Like New Condition Just Tuned
    $280
    Louisville
  187. K2 Cheyenne Hardtail Mountain Bike Excellent Condition Fully Serviced
    $300
    Louisville
  188. GIANT Simple Seven Woman's Cruiser Bike Like New Condition just Tuned
    $240
    Louisville
  189. TREK Navigator 200 Hybrid / Comfort Bike Great Condition Just Tuned
    $260
    Louisville
  190. Schwinn Single Speed Conversion 56cm CC Seat T
    $80
    Boulder
  191. Cadex/Giant 3 Carbon Mountain Bike
    $350
    Lafayette
  192. Conti Trainer Tires
    $25
    Lafayette
  193. Italian Steel Bike Chiordia 56cm
    $60
    Boulder
  194. Schwinn converted to single speed. 56cm
    $60
    Lafayette
  195. Pinarello kids road 24
    $300
    Boulder
  196. Carbon Fiber Titus Oseo Road Bike
    $900
  197. Diamondback Parkway Hybrid bike 17-inch Medium 21-speed 700x35c
    $150
  198. Trek mountain bike
    $575
    Lafayette
  199. Golf bike
    $300
    Boulder
  200. Raleigh Technium ATB-All Terrain Bike Excellent Cond. Fully Serviced
    $320
    Louisville
  201. GIANT Boulder SE Hardtail Mountain Bike Excellent Condition Just Tuned
    $260
    Louisville
  202. Schwinn Radiant 7 Speed Front Suspension Hybrid
    $100
  203. Excellent Jamis Ventura 105 road bike 54cm with fiberglass wheels
    $825
    Broomfield
  204. K2 ZED 1.0 Hardtail Mountain Bike Excellent Condition Fully Serviced
    $300
    Louisville
  205. Giant Quick-E+ E-bike commuter
    $999
    Boulder
  206. 2024 woom OFF AIR 6 - terra coppa
    $1,100
    Boulder, Newlands
  207. Huffy BMX BMX bicycle
    $19
    Louisville
  208. HARO V-Series V1 Hardtail Mountain Bike Excellent Condition Just Tuned
    $280
    Louisville
  209. Dyno 1990’s 16” bmx pit bike
    $80
    Niwot
  210. Specialized era comp 26 light
    $225
    Nederland
  211. Blue Treck - lightly used
    $250
    Boulder
  212. GT Bullet Kids Mountain Bike Excellent Condition Fully Serviced
    $160
    Louisville
  213. Elite Direto Bike Trainer
    $300
    Lafayette
  214. 2018 YT Jeffsy 27 AL Comp - Excellently Maintained + Upgrades!
    $1,100
    Lafayette
  215. Four Vintage bicycles and bike rack
    $240
  216. Gary Fisher Joshua X1
    $250
    Superior
  217. 2021 Factor O2 VAM Road Bike 49 cm
    $3,000
    Superior
  218. TREK Navigator 400 Step Through Hybrid / Comfort Bike Like New Tuned
    $340
    Louisville
  219. Specialized Eliminator Grid Trail 2Bliss Ready T9 New Bike Tube
    $60
    Superior
  220. Specialized 2020 Turbo Como 5.0 Electric Bike eBike - Large
    $1,600
    Superior
  221. Diamondback Vital 2 Woman's Hybrid / Comfort Bike Like New Just Tuned
    $280
    Louisville
  222. Momentum i Ride Rocker 3 City/Trekking Bike by Giant Bicycles
    $175
    Arvada
  223. Marin San Quentin
    $990
    Longmont
  224. Felt F15x Cx/Gravel Bike with Ultegra group and 2x Wheelsets for Road
    $600
    Boulder, CO
  225. Trek 2021-2023 Roscoe 6 S CH-RD Mountain Bike
    $550
    Louisville
  226. Riding'times Fat Tire Ebike
    $700
    Longmont
  227. Sedona DX Giant bike
    $70
    Boulder
  228. Bike Trainer
    $20
    Boulder
  229. GT Pro Performer 29” World Tour
    $750
  230. Retrospec Judd folding bike 20” wheels
    $250
  231. Schwinn “Sid” automatic 3 speed cruiser
    $250
    Louisville
  232. Trek Domane SL 6 Series 4 and Shoes
    $4,200
    Broomfield
  233. Cervelo R3 Mud 58cm
    $2,500
    S Boulder
  234. Fezzari (Ari)Delano Peak Pro (Large) High end spec
    $3,762
    Boulder
  235. Checkpoint SL7
    $3,500
  236. Trek Emonda SL6 Pro
    $1,800
    Aspen/Boulder
  237. NEW Trek Checkpoint gravel bike SRAM AXS electronic
    $3,000
    Boulder Aspen
  238. Vintage Soma 10 Speed Bike
    $200
    Erie
  239. 2022 Free Agent Maverick BMX - price reduction
    $200
    Erie
  240. 24 inch Guardian Bike
    $125
    Longmont
  241. Christmas Gift !! Haoqi Electric Bike - like new ! less than 50 miles
    $450
    South Boulder
  242. Raleigh Rush Hour fixie. 22"
    $129
    Greeley
  243. Univega Modo Vivere. 50". Campy and Columbus.
    $249
    Greeley
  244. Specialized Allez Epic Carbon. Limited free delivery.
    $375
    Greeley
  245. Saintropez Trailwinder
    $50
    greeley
  246. 24" Diamondback
    $75
    Lafayette
  247. Pedego Element Platinum E-Bike Electric Bicycle
    $1,000
    Boulder
  248. 2 unicycles
    $50
    longmont
  249. Specialized rock hopper mountain bike mountain bike
    $325
    Boulder
  250. Bikes
    $50
    Longmont
  251. Specialized Amira Comp Women Specific Carbon Road Bike 48cm (small)
    $500
    Lyons, CO
  252. Gary Fisher MTB in well maintained condition
    $150
    Boulder
  253. Like-New Victoria Electrorad E-bike from Germany - Only 288 Mi
    $700
  254. Race bmx
    $330
    Louisville
  255. 2024 S-Works Epic World Cup
    $6,350
    Erie
  256. 2023 S-Works Specialized Aethos
    $6,750
    Erie
  257. Thule bike rack
    $100
    Boulder
  258. Trek WSD Series 6
    $200
    Lafayette
  259. Black Ops BMX Handle Bar, Brand-New!
    $30
    Boulder
  260. L.E.D Spoke Lights x 2, Brand New, Awesome patterns!
    $20
    Boulder, CO
  261. GT Outpost Trail Bike
    $80
    Longmont
  262. Cruiser
    $100
    Longmont
  263. Woom 3 kids bike for sale
    $225
    Longmont
  264. 26’ kids mountain bike
    $55
    Lafayette
  265. 2021 Medium Giant Stance 29 2
    $1,200
    Boulder
  266. 2020 Large Specialized Rockhopper Expert 29
    $400
    Boulder
  267. Ninebot KickScooter Max G2
    $400
    Lafayette
  268. BMX Fitbike 18” wheel
    $225
    Boulder
  269. XL Ragley Bigwig Enduro Hardtail Mountain Bike
    $1,600
    Boulder
  270. XL Trek Roscoe 8 Hardtail Mountain Bike
    $950
    Boulder
  271. 2019 S-Works Specialized Stumpjumper 29er
    $3,500
    Erie
  272. 2016 Rumor Elite - 650B/27.5
    $500
    Erie
  273. 14.5 inch Fame Youth Mountain Buke
    $500
    Longmont
  274. Trek Discovery Channel Road Bike - Small Mint Condition
    $399
    North Boulder
  275. RADIO FLYER TRICYCLE
    $40
    Boulder
  276. 2021 Yeti SB 130 T2, XL frame, great condition!
    $3,750
    Boulder
  277. Santa Cruz Nomad Mountain Bike
    $2,800
    Boulder
  278. Moots Smoothie Blend MTB - Size Medium (17")
    $2,500
    Louisville
  279. TREK 1000 Aluminum road bike 56cm frame
    $250
    Boulder
  280. Trek E-MTB Powerfly 4 Full Suspension
    $2,500
  281. Schwinn Ranger
    $200
  282. Schwinn Pathway Women's Multi-Use Bike
    $150
  283. Rad Runner Plus fat tire ebike
    $1,200
  284. Greg Lemond Nevada City Road Bike
    $380
    Longmont
  285. Sondors Fold X E Bikes
    $500
    Boulder
  286. Knee rover scooter
    $50
    Longmont
  287. [OBO] 2021 Hardtail MTB: Ghost Kato Universal 29 Hardtail Medium
    $400
    North Boulder
  288. Priorty Start 20" belt-driven kids bike
    $295
    Louisville
  289. Vintage 1968 Raleigh Competition Road Bike
    $500
    Longmont
  290. XS - Specialized Rockhopper 27.5 wheels - youth MTB
    $395
  291. 2025 Specialized Stumpjumper 15 Pro, S3
    $4,500
    Gunbarrel
  292. Vintage White Women's Peugeot 12 Speed Bicycle
    $30
    Longmont
  293. 2024 Revel Ranger V2 XO build
    $4,500
  294. Trek Mountain Bikes- Professionally Tuned Up
    $250
    Boulder
  295. 2012 Surly Pugsley Black Ops/Necromancer 20" (L), 2 wheelsets, extras
    $1,700
  296. Titanium Voodoo Haka 29er
    $750
    Nederland
  297. Pashley (English) Bicycle - Womens' 26" with 3-speed hub
    $185
    Lafayette
  298. Extra Small Trek 8000 Mountain Bike - 26" Wheels
    $250
    Boulder
  299. Focus commuter ebike. 28mph. Large
    $1,100
  300. Faraday city bike. Large
    $850
  301. Stromer St5 only 32 miles. Large
    $3,500
  302. Pedego element 20 inch fat tire ebike
    $850
  303. Giant ebike. 28mph. Small
    $850
  304. Open WIDE Gravel Bike - XL Turquoise
    $4,175
    Boulder
  305. Giant EBike / Bike (FastRoad E+ EX Pro 21) - Size M
    $1,000
    Boulder
  306. Specialized Road Bike
    $250
    Boulder
  307. Guerilla Gravity Smash - trade for XC/trail bike
    $3,200
    South Boulder
  308. Kids' Extra Small Trek Mountain Bikes -26" Wheels - Pro Tuned Up
    $250
    Boulder
  309. Kids' Extra Small Specialized Mountain Bikes - 26" Wheels-Tuned Up
    $250
    Boulder
  310. Trek Mountain Bikes- Professionally Tuned Up
    $250
    Boulder
  311. Specialized Hotrock Hardtail Mountain Bike
    $250
    Boulder
  312. Trek Mountain Track City Commuter Bike
    $200
    Boulder
  313. Trek 820 Hybrid Commuter Bike
    $225
    Boulder
  314. Trek 3500 Mountain Bike
    $250
    North Boulder
  315. Women's Trek (Purple) Step Through Comfortable & Upright Hybrid
    $250
    Boulder
  316. Kids Scott Orange Mountain Bike - 24" Wheels - Mint Condition
    $225
    Boulder
  317. Extra Small Specialized Comp Kids Mountain Bike - 26" Wheels
    $250
    Boulder
  318. Vintage Schwinn Tempo Columbus Steel Lugged Road Bike Frame 50cm
    $140
    Gunbarrel
  319. BH Cyclocross/Gravel, RX model, Carbon, Medium size
    $750
    Boulder
  320. Specialized hot rock 16
    $90
    Gunbarrel
  321. Gazelle ladies e-bike
    $1,000
    Boulder
  322. Schwinn Mountain Bike
    $75
    Marshall Rd
  323. Road Bike
    $75
    Marshall Rd
  324. Schwinn Frontier Hybrid / Comfort Bike Great Condition Fully Serviced
    $180
    Louisville
  325. Yeti SB140 turq mountain bike, Sangria colorway, XL
    $5,000
    Boulder
  326. Trek Silque 2016 women's road bike
    $1,000
    Longmont
  327. 2020 Evil the Wreckoning - full carbon L frame
    $1,900
    Boulder, CO
  328. Specialized Epic Evo
    $0
  329. Allied Able
    $4,500
  330. 2023 Trek Supercaliber M/L
    $3,200
    Boulder
  331. Cleary Owl 20” 3 speed
    $180
    Boulder
  332. Shimano Dura-Ace C24 wheelset
    $450
    Boulder
  333. Vintage Schwinn Collegiate 7 - Classic Cruiser
    $180
    Louisville
  334. Brand New TREK Mountain Bike - $700 OBO
    $700
    Boulder
  335. 3T Exploro Ultra Rival, 54cm
    $2,750
    Boulder
  336. 2025 Specialized Stumpjumper Alloy 52cm
    $2,100
    Boulder
  337. Woom Off Air 5 24" Mountain Bike - Excel. Cond., 2 yrs old, Orig Owner
    $1,050
    Near Louisville
  338. Women's Schwinn Sidewinder Steel Frame Cruiser Bike
    $120
    Boulder
  339. TREK 720 MultiTrack Hybrid / Comfort Bike Excellent Condition Tuned
    $280
    Louisville
  340. Mountain Bike Santa Cruz Julianna Joplin
    $3,450
    Boulder
  341. 60cm Rawland Stag 650B Frame/Fork/Headset
    $500
    Lafayette
  342. Schwinn Collegiate
    $75
    Niwot