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craigslist

Bicycles For Sale in Boulder, CO

  1. see also

    electric bikes

    kids bikes

    mountain bikes

    road bikes

  2. Mountain Bike needs new home
    $175
  3. TREK 3500 Hardtail Mountain Bike Excellent Condition Fully Serviced
    $280
    Louisville
  4. TREK Navigator 200 Hybrid / Comfort Bike Like New Cond. Fully Serviced
    $340
    Louisville
  5. HARO V-Series V1 Hardtail Mountain Bike Excellent Condition Just Tuned
    $280
    Louisville
  6. TREK Navigator 200 Hybrid / Comfort Bike Excellent Condition Tuned
    $300
    Louisville
  7. Canyon Ultimate CF SL Disc 8.0 Ultegra Di2 - (Boulder)
    $2,500
    Boulder
  8. Trek Antelope Bike
    $50
    Boulder
  9. Mongoose Sycamore bike for medium/tall person
    $100
    Boulder
  10. mountain/cruiser bike
    $140
    Boulder
  11. DIAMONDBACK OVERRIDE BICYCLE w GRIP SHIFTS
    $100
    North Boulder Area
  12. Diamondback Parkway Hybrid bike 17-inch Medium 21-speed 700x35c
    $150
  13. Diamondback Parkway Hybrid bike 17-inch Medium 21-speed 700x35c
    $150
  14. Mondraker Crafty RR full Suspension E-MTB
    $3,500
    Boulder
  15. Schwinn Paramount - 1989 Waterford Bike - 58
    $1,500
  16. Trek mountain bike
    $575
    Lafayette
  17. Raleigh 3-speed
    $140
    S. Boulder
  18. Carbon Road Bike Ultegra w/ disc brakes
    $1,250
    S Boulder
  19. Trek Mountain Track City Commuter Bike
    $200
    Boulder
  20. Trek 820 Hybrid Commuter Bike
    $225
    Boulder
  21. Extra Small Trek 8000 Mountain Bike - 26" Wheels
    $250
    Boulder
  22. Specialized Hotrock Hardtail Mountain Bike
    $250
    Boulder
  23. Miyata Hybrid Bicycle
    $250
    Boulder
  24. Schwinn Moab 24 Speed Mountain Bike
    $250
    Boulder
  25. Trek 3500 Mountain Bike
    $250
    North Boulder
  26. Trek FX 7.1 Fast Hybrid
    $250
    Boulder
  27. Trek Mountain Bikes- Professionally Tuned Up
    $250
    Boulder
  28. Kids' Extra Small Trek Mountain Bikes - 26" Wheels - Pro Tuned Up
    $250
    Boulder
  29. Kids' Extra Small Specialized Mountain Bikes-26" Wheels- Pro Tuned Up
    $250
    Boulder
  30. Quality Refurbished Bicycles @ Boulder Affordable Bicycles
    $200
    Boulder
  31. Women's Nishiki Simple 7 Speed Commuter With Rack
    $200
    Boulder
  32. Women's Trek (Turquoise) Step Through Comfortable Hybrid
    $250
    Boulder
  33. Women's Specialized Hybrid
    $250
    Boulder
  34. Kids / Boys Specialized Hotrock (Green) Mountain Bike - 24" Wheels
    $225
    Boulder
  35. Small / Medium Specialized Mountain Bikes x 4 - Tuned Up
    $250
    Boulder
  36. Vintage Soma 10 Speed Bike
    $200
    Erie
  37. Gary Fisher Mamba Front Suspension Mountain Bike
    $200
    South Boulder
  38. Riding'times Fat Tire Ebike
    $700
    Longmont
  39. TREK Navigator 400 Step Through Hybrid / Comfort Bike Like New Tuned
    $340
    Louisville
  40. Raleigh Technium ATB-All Terrain Bike Excellent Cond. Fully Serviced
    $320
    Louisville
  41. Univega Via Carisma Hybrid / Comfort Bike Excellent Condition Tuned
    $240
    Louisville
  42. TREK Superfly 240 Disc Hardtail Mountain Bike Excellent Cond. Tuned
    $460
    Louisville
  43. Kids 20” Yellow Batch Bike
    $125
    Boulder
  44. Schwinn “Sid” automatic 3 speed cruiser
    $250
    Louisville
  45. Specialized Turbo Levo SL 2 Comp Carbon Large-Brand New!!!
    $5,300
    Louisville
  46. Specialized Hot Rock 24"
    $200
    Erie
  47. 1963 Schwinn Co-Ed: Genuine Chicago Schwinn
    $225
    Erie
  48. 1982 Schwinn Pixie
    $195
    Erie
  49. Vintage Schwinn Road Bike
    $75
    SW Longmont
  50. Bianchi Infinito CV 61cm, Ultegra
    $1,350
    E Boulder
  51. GIANT Cypress Hybrid / Comfort Bike Excellent Condition Fully Serviced
    $340
    Louisville
  52. GT Bullet Kids Mountain Bike Excellent Condition Fully Serviced
    $160
    Louisville
  53. GT Outpost Trail Mountain Bike Excellent Condition Fully Serviced
    $240
    Louisville
  54. TREK 720 MultiTrack Hybrid / Comfort Bike Excellent Condition Tuned
    $280
    Louisville
  55. Rockrider ST 100 trail / mountain bike
    $140
    Boulder
  56. Yamee Fat Bear 750S ebike Excellent condition
    $880
    Boulder
  57. WOODEN BALANCE BIKE
    $35
    BOULDER
  58. SPECIALIZED MOUNTAIN BIKE
    $125
    BOULDER
  59. SPECIALIZED MOUNTAIN BIKE
    $125
    BOULDER
  60. Trek 820 Hardtail Bike 18in 3x7
    $190
  61. Trek 820 Hardtail Bike 18in 3x7
    $190
  62. FUJI Monterey Hybrid / Comfort Bike Like New Condition Fully Serviced
    $380
    Louisville
  63. Schwinn OR2 Hybrid/Comfort Bike Like New Condition Fully Serviced
    $200
    Louisville
  64. TREK 1000C Road Bike Excellent Condition Fully Serviced
    $480
    Louisville
  65. TREK 7.2 FX Hybrid / Gravel Bike Excellent Condition Ready to Ride
    $380
    Louisville
  66. Stationary Bike -- NordicTrack
    $100
    Longmont
  67. Specialized Hot Rock Youth Mountain Bicycle
    $125
    South Boulder
  68. Trek Lime Lite Comfort Bicycle
    $120
    South Boulder
  69. Gary Fisher Kaitai Mountain Bike
    $250
    South Boulder
  70. Specialized XC FSR Aluminum Full Suspension Mountain Bike
    $450
    South Boulder
  71. Specialized Pitch 27.5 Mountain Bike
    $380
    South Boulder
  72. Specialized Expedition Sport Mountain Bike
    $250
    South Boulder
  73. Schwinn Ranger Comfort Commuter 21 Speed Bicycle
    $200
    South Boulder
  74. Iron Horse CT55 Mountain Bicycle
    $150
    South Boulder
  75. Gary Fisher Joshua X1 Full Suspension Mountain Bike
    $320
    South Boulder
  76. Giant Boulder Mountain Bike
    $180
    South Boulder
  77. Nishiki Bravo Mtn Bicycle
    $125
    South Boulder
  78. Centurion Dave Scott Ironman Expert Vintage Bicycle
    $400
    South Boulder
  79. Schwinn Mesa GS Aluminum Frame Suspension Mountain Bike bicycles
    $225
    South Boulder
  80. Classic Schwinn s [ 9 five] .3 Aluminum Mountain Bike
    $175
    South Boulder
  81. Schwinn Woodlands Commuter Hybrid Bike
    $150
    South Boulder
  82. Vintage Trek 710 Road Bike - Excellent Condition
    $400
    South Boulder
  83. Schwinn Super Sport GL Road Bike Aluminum Frame
    $300
    South Boulder
  84. GT Saddleback Mountain Bike - Front Suspension
    $125
    South Boulder
  85. Diamondback Octane 24 Suspension Mountain Bike
    $200
    South Boulder
  86. Specialized Hardrock Punk Mountain Bike
    $225
    South Boulder
  87. Kona Cinder Cone Suspension Mountain Bicycle
    $250
    South Boulder
  88. Kona Hoss Aluminum Frame Mountain Bike
    $250
    South Boulder
  89. Giant Rincon Mountain Bicycle
    $200
    South Boulder
  90. GT Outpost Mountain Bicycle - Front Suspension
    $175
    South Boulder
  91. GT Outpost All Terra Vintage Mountain Bike
    $200
    South Boulder
  92. Fuji Nevada Mountain Bike
    $200
    South Boulder
  93. Fuji Eddy Mountain Bicycle
    $200
    South Boulder
  94. Trek 6500 Aluminum Frame Mountain Bicycle - Blue
    $300
    South Boulder
  95. GT Aggressor 2.0 Aluminum Frame Mountain Bike
    $200
    South Boulder
  96. Trek 6500 Aluminum Frame Mountain Bike - Orange
    $300
    South Boulder
  97. Specialized HardRock FS Mountain Bike - Silver
    $225
    South Boulder
  98. Gary Fisher Cake 3 DLX Bicycle Full Suspension Hydraulic Disc Brakes
    $480
    South Boulder
  99. Cannondale F600 Comp Mountain Bicycle
    $250
    South Boulder
  100. Specialized Hardrock Sport Mountain Bike
    $280
    South Boulder
  101. Felt FA SL Superlight Aluminum Road Bicycle
    $700
    South Boulder
  102. Giant Boulder Hybrid Mountain Commuter Bike
    $200
    South Boulder
  103. Cannondale F300 Front Suspension Mountain Bike
    $275
    South Boulder
  104. Specialized Custom Single Speed Townie Bicycle
    $100
    South Boulder
  105. Schwinn Mesa GSX Aluminum Mountain Bike Front Suspension
    $250
    South Boulder
  106. Castellano Fango Softail Aluminum Frame Mountain Bicycle
    $380
    South Boulder
  107. Specialized Roll Sport Comfort Hybrid Bike
    $280
    South Boulder
  108. Trek 3900 WSD Mountain Bicycle
    $300
    South Boulder
  109. Giant ATX780 Front Suspension Mountain Bike
    $200
    South Boulder
  110. Pedego Element Platinum E-Bike Electric Bicycle
    $1,000
    Boulder
  111. Raleigh Cruiser Bike
    $200
    Palo Park
  112. GIANT MTX 225 Kids Mountain Bike Good Condition Fully Serviced
    $160
    Louisville
  113. 2005 Raleigh prestige Carbon fiber race road bike 55cm
    $400
    Boulder
  114. RoadMaster Mt. Fury Mountain Bike Great Condition Just Tuned
    $70
    Louisville
  115. K2 Cheyenne Hardtail Mountain Bike Excellent Condition Fully Serviced
    $300
    Louisville
  116. TREK Navigator 2.0 Hybrid/Comfort Bike Excellent Condition Just Tuned
    $300
    Louisville
  117. FUJI Absolute 4.0 Hybrid/Gravel Bike Like New Condition Just Tuned
    $280
    Louisville
  118. Schwinn Vintage Bicycle - 18” frame
    $100
    Longmont
  119. Mid-century Taiwanese Bicycle
    $500
    Boulder
  120. Schwinn Pathway Women's Multi-Use Bike
    $150
  121. Schwinn Ranger
    $200
  122. Schwinn Continental 1976
    $300
    Boulder
  123. Carbon Fiber Titus Oseo Road Bike
    $900
  124. Allen bike trailer
    $50
    Broomfield
  125. Specialized hot rock 16
    $85
    Gunbarrel
  126. Woom 3 kids bike for sale
    $225
    Longmont
  127. Diamondback Lux 2 – Awesome Starter Mountain Bike!
    $400
    West Arvada
  128. 24" Diamondback
    $75
    Lafayette
  129. BH Cyclocross/Gravel, RX model, Carbon, Medium size
    $750
    Boulder
  130. FUJI Newest 3.0 Road Bike Excellent Condition Fully Serviced
    $480
    Louisville
  131. Giant Revel W1 Disc Woman’s Hardtail Mountain Bike Excellent Tuned
    $380
    Louisville
  132. TREK Navigator 200 Hybrid / Comfort Bike Great Condition Just Tuned
    $260
    Louisville
  133. Corsa R-Fourteen Road Bike Excellent Condition Fully Serviced
    $280
    Louisville
  134. Medium Scott Speedster S20 Triple
    $299
    Boulder
  135. Large Specialized S-Works Stumpjumper 29 XX1 (excellent shape)
    $1,999
    Boulder
  136. Extra Large Spot Mayhem 130 5 star AXS build carbon 29er
    $2,300
    Boulder
  137. Specialized S-Works Tarmac SL4 carbon 54 cm ($8,000 new)
    $1,750
    South Boulder
  138. Specialized Vita Elite Women’s Hybrid City Gravel L 700x32 3x9
    $300
  139. Specialized Vita Elite Women’s Hybrid City Gravel L 700x32 3x9
    $300
  140. Quintana Roo TT Triathlon Race Bike - 55 cm
    $500
    SW Longmont
  141. Pashley (English) Bicycle - Womens' 26" with 3-speed hub
    $150
    Lafayette
  142. Schwinn Single Speed Conversion 56cm CC Seat T
    $80
    Boulder
  143. Cadex/Giant 3 Carbon Mountain Bike
    $350
    Lafayette
  144. Conti Trainer Tires
    $25
    Lafayette
  145. Italian Steel Bike Chiordia 56cm
    $60
    Boulder
  146. Schwinn converted to single speed. 56cm
    $60
    Lafayette
  147. New Burley Piccolo Child Bike Tagalong Trailercycle
    $290
    Boulder
  148. Australian "Malvern Star Sprint 1.0" - 700c Road wheels/tires
    $100
    Longmont
  149. Diamondback Vital 2 Woman's Hybrid / Comfort Bike Like New Just Tuned
    $280
    Louisville
  150. GT LOLA 24 Disc Kids/Girls Hardtail Mountain Bike Like New Just Tuned
    $380
    Louisville
  151. Raleigh Alysa 1 Hybrid / Gravel Bike Like New Condition Fully Serviced
    $280
    Louisville
  152. Trek Women's Neko 1 Mountain Bike
    $250
    Boulder
  153. Rare Collectible Vintage 1981 Klein Stage Tour Road Bike 60 cm
    $450
    Boulder
  154. Giant Sedona SE Hardtail Mountain Bike 17.5in Small 26x1.95 3x7
    $195
  155. Giant Sedona SE Hardtail Mountain Bike 17.5in Small 26x1.95 3x7
    $195
  156. Diamondback Fat Tire Bike
    $725
    Erie
  157. 2023 Trek Supercaliber M/L
    $3,200
    Boulder
  158. Cleary Owl 20” 3 speed
    $180
    Boulder
  159. Trek Discovery Channel Road Bike - Small Mint Condition
    $399
    North Boulder
  160. Brand New TREK Mountain Bike - $700 OBO
    $700
    Boulder
  161. Stryde Kids Rollerblades Roller Skates - Pristine Condition
    $15
    Superior
  162. K2 ZED 1.0 Hardtail Mountain Bike Excellent Condition Fully Serviced
    $300
    Louisville
  163. TREK 1000 SL Road Bike Excellent Condition Fully Serviced
    $480
    Louisville
  164. Raleigh Venture 3.0 Hybrid / Comfort Bike Excellent Condition Tuned
    $280
    Louisville
  165. Novara Moxie 24 Kids Hardtail Mountain Bike Excellent Condition Tuned
    $240
    Louisville
  166. Vintage litespeed Ultimate Titanium Road Bike, Campagnolo Record
    $1,250
    Boulder
  167. 2016 Rocky Mountain Blizzard-50 Fat Bike, Size Large
    $667
    Gunbarrel Greens
  168. Road Bike
    $75
    Marshall Rd
  169. Schwinn Mountain Bike
    $75
    Marshall Rd
  170. BMX Fitbike 18” wheel
    $225
    Boulder
  171. kids bike -- Specialized Rockhopper
    $95
    Niwot
  172. 26’ kids mountain bike
    $55
    Lafayette
  173. 2023 Radrunner Plus E - Bike
    $900
    Louisville
  174. Yeti SB140 turq mountain bike, Sangria colorway, XL
    $5,000
    Boulder
  175. RadCity Electric Commuter Bike
    $450
    S. Boulder
  176. TREK 4300 Hardtail Mountain Bike Excellent Condition Fully Serviced
    $300
    Louisville
  177. Raleigh USA M-55 Hardtail Mountain Bike Excellent Condition Just Tuned
    $220
    Louisville
  178. Schwinn Frontier Hybrid / Comfort Bike Great Condition Fully Serviced
    $180
    Louisville
  179. Intense Eddie Hard Tail 29er
    $900
    Boulder
  180. Specialized Epic Comp Carbon
    $1,800
  181. 2025 Specialized Stumpjumper 15 Pro, S3
    $4,500
    Gunbarrel
  182. Super 73 E-Bike
    $1,500
    Boulder
  183. Raleigh Talus Mountain Bike Like New Condition Ready to Ride
    $240
    Louisville
  184. JEEP Hardtail Mountain Bike Excellent Condition Ready to Ride
    $200
    Louisville
  185. TREK FX 7.4 WSD - Woman's Hybrid / Gravel Bike Like New Fully Serviced
    $380
    Louisville
  186. Colnago Carbon Fiber Road Bike
    $800
    Louisville, Co
  187. Medium 2023 Trek Slash 9.8 AXS carbon 29er ($4k on bluebook)
    $3,250
    Boulder
  188. TREK MT 220, MT220 Kids Hardtail Mountain Bike Excellent Cond. Tuned
    $260
    Louisville
  189. TREK 800 ATB-All Terrain Bike Excellent Condition Fully Serviced
    $200
    Louisville
  190. Hyper Spin Fusion 700C Hybrid / Road Bike Excellent Condition Tuned
    $180
    Louisville
  191. GIANT MTX 225 Kids Mountain Bike Excellent Condition Ready to Ride
    $240
    Louisville
  192. Super 73 z-1
    $800
  193. 3T Exploro Ultra Rival, 54cm
    $2,750
    Boulder
  194. Like-New Victoria Electrorad E-bike from Germany - Only 288 Mi
    $600
  195. Litespeed Toccoa titanium mountain bike
    $895
    Boulder
  196. Elliptigo in Mint condition
    $1,200
    Boulder
  197. Bridgestone MB-5 Mountain Bike Excellent Condition Fully Serviced
    $300
    Louisville
  198. Panasonic Villager DX Hybrid / Comfort Bike Excellent Condition Tuned
    $200
    Louisville
  199. TREK Navigator 200 Hybrid / Comfort Bike Excellent Condition Tuned
    $280
    Louisville
  200. SCHWINN Sierra GS Woman's Hybrid / Comfort Bike Excellent Cond. Tuned
    $220
    Louisville
  201. Pedego Adventure MOTO / 230 miles / 7 Battery Cycles
    $3,600
    NOBO
  202. Moots 33
    $6,000
    Lafayette
  203. Da Vinci Tandem
    $3,250
    Lafayette
  204. Awesome single speed/fixie
    $80
    SE Boulder
  205. Schwinn commuter hybrid
    $25
    SE Boulder
  206. Pinarello kids road 24
    $300
    Boulder
  207. KONA Stinky 24 Disc Full suspension Downhill Mountain Bike Just Tuned
    $880
    Louisville
  208. KHS Montana Custom Hybrid/Comfort Bike Excellent Cond. Just Tuned
    $240
    Louisville
  209. DiamondBack Wildwood Hybrid/Commuter Bike Great Condition Tuned
    $200
    Louisville
  210. NCM T3s E-bike - READ DESCRIPTION
    $400
  211. Trek 400 Road Bike 1980’s 52cm 3x6 700x23
    $265
  212. REI CO OP CTY1.1
    $395
  213. Trek Women's XS 49cm Road Bike
    $375
    Boulder
  214. Schwinn Moab 2 Extra Small tuned ready to ride
    $125
    Boulder
  215. Schwinn Mesa Hybrid / Comfort Bike Great Condition Fully Serviced
    $200
    Louisville
  216. Vintage White Women's Peugeot 12 Speed Bicycle
    $30
    Longmont
  217. Greg Lemond Nevada City Road Bike
    $380
    Longmont
  218. Trek 820 Hardtail Bike 13in XS 3x7 26x2.0 Blk Suntour Fork
    $190
  219. Surly Long Haul Trucker
    $1,000
    Twin Lakes
  220. 2011 Trek Madone 4.7 58cm
    $975
    Boulder
  221. Pello Reyes 24" bicycle
    $400
    Boulder
  222. Custom Cruiser Green 3-Speed Internal Hub, Wicker Basket, Small
    $245
  223. Girls Schwinn pedal bike with 12 inch wheels
    $50
    Boulder Gunbarrel
  224. Christmas Gift !! Haoqi Electric Bike - like new ! less than 50 miles
    $450
    South Boulder
  225. Cervelo R3 Mud 58cm
    $2,500
    S Boulder
  226. Motobecane 10-speed mixie
    $35
    S Boulder
  227. GIANT Simple Seven Woman's Cruiser Bike Like New Condition Just Tuned
    $200
    Louisville
  228. Trek 1200 classic road boke
    $250
    Boulder
  229. Golf bike
    $300
    Boulder
  230. Vintage Schwinn and Hawthorne
    $750
    Longmont
  231. Haro Downtown 20” BMX bike
    $140
    Niwot
  232. Huffy BMX BMX bicycle
    $19
    Louisville
  233. Electra Rat Rod Bikes 20"
    $50
    Erie
  234. Open WIDE Gravel Bike - XL Turquoise
    $4,000
    Boulder
  235. E-Bike / HIT ROAD / Safari Model $480 OBO
    $480
    Boulder
  236. Trek 3200 - Excellent Condition
    $250
    Boulder
  237. Trek 4500 Women's Hardtail Mountain Bike
    $250
    Boulder
  238. Extra Small Specialized Comp Kids Mountain Bike - 26" Wheels
    $250
    Boulder
  239. e-bike Blix Packa Genie
    $950
    Boulder
  240. Ventum GS-1 M/L
    $2,400
  241. Raleigh “Cadent” Road Bike size XS
    $300
  242. Klein “Quantum II Road Bike 56cm
    $500
  243. Trek 3500
    $200
    erie
  244. Sz 48 Fuji Brevet CARBON bicycle w tubeless tires, disc brakes
    $700
    Table mesa
  245. Sz 48 Fuji Brevet CARBON bicycle w tubeless tires, disc brakes
    $1,200
    Table mesa
  246. Sz 48 Fuji Brevet CARBON bicycle w tubeless tires, disc brakes
    $700
    Table mesa
  247. Triathlon / Time trial Bike - Scott Plasma 51’ size
    $675
    Denver/Boulder
  248. benno remi demi ebikes like new w/bosch motors (ebike electric bike e-bike)
    $1,900
    Boulder
  249. Youth Full Suspension Electric Mountain bike 2022 Mondraker
    $1,500
    boulder
  250. 2006 Litespeed Vortex 54cm
    $1,200
    Golden
  251. 2012 Cannondale tandem bike
    $1,500
    Louisville
  252. 2018 YT Jeffsy 27 AL Comp - Excellently Maintained + Upgrades!
    $1,100
    Lafayette
  253. Elite Direto Bike Trainer
    $300
    Lafayette
  254. Schwinn Cruiser
    $170
    Nederland
  255. Kids Specialized Hotrock (Blue) Mountain Bike - 24" Wheels
    $225
    Boulder
  256. Priorty Start 20" belt-driven kids bike
    $295
    Louisville
  257. Vintage Diamondback Traverse -- step through (17.5")
    $300
    Boulder
  258. 2018 Cervélo P3 Triathlon Bike – Ultegra, Power Meter, Mavic Wheels –
    $3,000
    Erie CO
  259. 2018 Cervélo P3 Triathlon Bike – Ultegra, Power Meter, Mavic Wheels –
    $3,000
    Erie CO
  260. Bike- shwinn
    $50
    Louisville
  261. VINTAGE SCHWINN AMERICAN TWO SPEED KICK-BACK
    $275
    Boulder
  262. Co-op drt 1.1 mtb bike
    $275
    Gunbarrel
  263. USED - 2007 TREK PILOT 2.1 WSD
    $600
    Longmont
  264. Specialized Stumpjumper
    $400
    Longmont
  265. Specialized era comp 26 light
    $225
    Nederland
  266. Fuji Silhouette Forza
    $200
    Boulder
  267. Dyno 1990’s 16” bmx pit bike
    $80
    Niwot
  268. Haro Shredder 16”
    $75
    Niwot
  269. Schwinn Collegiate
    $50
    Niwot
  270. Lectric 1.0 foldable e-bike
    $300
    Longmont
  271. GIANT Boulder SE Hardtail Mountain Bike Excellent Condition Just Tuned
    $260
    Louisville
  272. Trek Fuji - small frame
    $350
    Boulder
  273. 2022 Trek Slash 9.8 XT size M/L Full Suspension
    $2,750
    Lyons
  274. Surly ECR - small frame
    $1,600
    Lafayette
  275. Trek Emonda SL6 Pro
    $2,200
    Aspen/Boulder
  276. NEW Trek Checkpoint gravel bike SRAM AXS electronic
    $2,800
    Boulder Aspen
  277. Bikes for sale
    $200
    Erie
  278. Aventon Ramblas - Small - 28mph pedal assist!
    $2,200
  279. Bicycle Quintana Roo
    $60
    Nederland
  280. Sportneer Bike trainer (bike not included)
    $30
    Boulder
  281. Small / Medium Specialized Mountain Bikes x 4 - Tuned Up
    $250
    Boulder
  282. Scott Sportster P3 Commuter/ Hybrid Bike For Sale
    $240
    Lafayette
  283. Novara Pika Women's Hardtail Mountain Bike For Sale
    $90
    Lafayette
  284. 2023 Trek Slash 9.8
    $2,000
  285. Diet jumper
    $1,500
    Boulder
  286. Thule 1.25" Hitch Mount Bike Rack Carrier
    $30
    Louisville
  287. Giant Sedona ST Hybrid / Commuter Bike Great Condition Fully Serviced
    $200
    Louisville
  288. 2022 Trek Slash 9.8 XT size M/L Full Suspension bike
    $2,750
    Lyons
  289. High-Power Aniioki A9 Pro Max E-Bike – Practically New (Boulder)
    $2,800
    Table Mesa
  290. Giant Quick-E+ E-bike commuter
    $999
    Boulder
  291. Blue Treck - lightly used
    $250
    Boulder
  292. 2023 IBIS DV9 SLX — Carbon Hardtail, Excellent Condition
    $2,100
    Broomfield
  293. Four Vintage bicycles and bike rack
    $240
  294. Gary Fisher Joshua X1
    $250
    Superior
  295. 2021 Factor O2 VAM Road Bike 49 cm
    $3,000
    Superior
  296. Specialized Eliminator Grid Trail 2Bliss Ready T9 New Bike Tube
    $60
    Superior
  297. Specialized 2020 Turbo Como 5.0 Electric Bike eBike - Large
    $1,600
    Superior
  298. Felt F15x Cx/Gravel Bike with Ultegra group and 2x Wheelsets for Road
    $600
    Boulder, CO
  299. Trek 2021-2023 Roscoe 6 S CH-RD Mountain Bike
    $450
    Louisville
  300. Sedona DX Giant bike
    $120
    Boulder
  301. Bike Trainer
    $20
    Boulder
  302. GT Pro Performer 29” World Tour
    $750
  303. Retrospec Judd folding bike 20” wheels
    $250
  304. Fezzari (Ari)Delano Peak Pro (Large) High end spec
    $3,762
    Boulder
  305. Specialized rock hopper mountain bike mountain bike
    $325
    Boulder
  306. LECTRIC XPedition
    $1,000
    Broomfield
  307. Race bmx
    $330
    Louisville
  308. 2024 S-Works Epic World Cup
    $6,350
    Erie
  309. 2023 S-Works Specialized Aethos
    $6,750
    Erie
  310. Thule bike rack
    $100
    Boulder
  311. Trek WSD Series 6
    $200
    Lafayette
  312. Black Ops BMX Handle Bar, Brand-New!
    $30
    Boulder
  313. L.E.D Spoke Lights x 2, Brand New, Awesome patterns!
    $20
    Boulder, CO
  314. 2021 Medium Giant Stance 29 2
    $1,200
    Boulder
  315. 2020 Large Specialized Rockhopper Expert 29
    $400
    Boulder
  316. XL Ragley Bigwig Enduro Hardtail Mountain Bike
    $1,600
    Boulder
  317. XL Trek Roscoe 8 Hardtail Mountain Bike
    $950
    Boulder
  318. 2019 S-Works Specialized Stumpjumper 29er
    $3,500
    Erie
  319. RADIO FLYER TRICYCLE
    $40
    Boulder
  320. Santa Cruz Nomad Mountain Bike
    $2,800
    Boulder
  321. Moots Smoothie Blend MTB - Size Medium (17")
    $2,500
    Louisville
  322. TREK 1000 Aluminum road bike 56cm frame
    $250
    Boulder
  323. 2025 eBike Class 3 Rad Power Bikes RadRunner Max
    $1,700
    Boulder
  324. Trek E-MTB Powerfly 4 Full Suspension
    $2,500
  325. Rad Runner Plus fat tire ebike
    $1,200
  326. Sondors Fold X E Bikes
    $500
    Boulder
  327. [OBO] 2021 Hardtail MTB: Ghost Kato Universal 29 Hardtail Medium
    $400
    North Boulder
  328. XS - Specialized Rockhopper 27.5 wheels - youth MTB
    $395
  329. 2012 Surly Pugsley Black Ops/Necromancer 20" (L), 2 wheelsets, extras
    $1,700
  330. Titanium Voodoo Haka 29er
    $750
    Nederland
  331. Giant EBike / Bike (FastRoad E+ EX Pro 21) - Size M
    $1,000
    Boulder
  332. Specialized Road Bike
    $250
    Boulder
  333. Specialized Road Bike
    $250
    Boulder
  334. Kids' Extra Small Trek Mountain Bikes -26" Wheels - Pro Tuned Up
    $250
    Boulder
  335. Kids' Extra Small Specialized Mountain Bikes - 26" Wheels-Tuned Up
    $250
    Boulder
  336. Trek Mountain Bikes- Professionally Tuned Up
    $250
    Boulder
  337. Women's Trek (Purple) Step Through Comfortable & Upright Hybrid
    $250
    Boulder
  338. Kids Scott Orange Mountain Bike - 24" Wheels - Mint Condition
    $225
    Boulder