loading
reading
writing
saving
searching

refresh the page.

craigslist

Bicycles For Sale in Boulder, CO

  1. see also

    electric bikes

    kids bikes

    mountain bikes

    road bikes

  2. GIANT MTX 225 Kids Mountain Bike Good Condition Fully Serviced
    $160
    Louisville
  3. Giant Revel W1 Disc Woman’s Hardtail Mountain Bike Excellent Tuned
    $380
    Louisville
  4. Woom 2
    $175
  5. KLEIN ROAD BIKE
    $600
    BOULDER
  6. SANTA CRUZ
    $600
    BOULDER
  7. Schwinn Le Tour (Pink/Magenta)
    $300
    Lafayette
  8. 2022 Trek Slash 9.8 XT size M/L Full Suspension
    $2,750
    Lyons
  9. Vintage Schwinn Traveler - Japanese Steel - Great Condition
    $225
    Lafayette
  10. Vintage Schwinn Sprint - Step-Through Frame - Town Bike - $125
    $125
    Lafayette
  11. 2023 Norco Sight VLT C1 - Large
    $4,500
    Lafayette
  12. Raleigh Talus Mountain Bike Like New Condition Ready to Ride
    $240
    Louisville
  13. Panasonic Villager DX Hybrid / Comfort Bike Excellent Condition Tuned
    $200
    Louisville
  14. Raleigh Venture 3.0 Hybrid / Comfort Bike Excellent Condition Tuned
    $300
    Louisville
  15. TREK 1000C Road Bike Excellent Condition Fully Serviced
    $480
    Louisville
  16. Pivot Mach 4 SL Team World Cup Mountain Bike XL
    $5,450
    Boulder
  17. Specialized Turbo Levo SL 2 Comp Carbon Large-Brand New!!!
    $5,300
    Louisville
  18. Schwinn “Sid” automatic 3 speed cruiser
    $200
    Louisville
  19. Trek 3500
    $150
    erie
  20. GIANT Boulder SE Hardtail Mountain Bike Excellent Condition Just Tuned
    $260
    Louisville
  21. Raleigh USA M-55 Hardtail Mountain Bike Excellent Condition Just Tuned
    $220
    Louisville
  22. TREK FX 7.4 WSD Woman's Hybrid/Gravel Bike Excellent Cond. Just Tuned
    $380
    Louisville
  23. Novara Moxie 24 Kids Hardtail Mountain Bike Excellent Condition Tuned
    $240
    Louisville
  24. Schwinn Le Tour GS race road bike
    $200
    Boulder
  25. JAMIS KOMODO 24in Mountain Bike - Kids
    $180
    boulder
  26. Cervelo C3 Carbon Road Bike 48cm XS
    $1,995
    Boulder
  27. FUJI Monterey Hybrid / Comfort Bike Like New Condition Fully Serviced
    $380
    Louisville
  28. Gary Fisher Mamba Hardtail Mountain Bike Excellent Condition Tuned
    $240
    Louisville
  29. Raleigh Alysa 1 Hybrid / Gravel Bike Like New Condition Fully Serviced
    $280
    Louisville
  30. SCHWINN Sierra GS Woman's Hybrid / Comfort Bike Excellent Cond. Tuned
    $220
    Louisville
  31. Schwinn bike and trailer
    $200
    Boulder
  32. Quintana Roo TT Triathlon Race Bike - 55 cm
    $500
    SW Longmont
  33. Australian "Malvern Star Sprint 1.0" - 700c Road wheels/tires
    $100
    Longmont
  34. BMX Fitbike, 18" wheels, steel frame
    $175
    Boulder
  35. Giant road bike
    $175
    boulder
  36. GIANT Simple Seven Woman's Cruiser Bike Like New Condition Just Tuned
    $200
    Louisville
  37. JEEP Hardtail Mountain Bike Excellent Condition Ready to Ride
    $200
    Louisville
  38. Hyper Spin Fusion 700C Hybrid / Road Bike Excellent Condition Tuned
    $180
    Louisville
  39. GT Outpost Trail Mountain Bike Excellent Condition Fully Serviced
    $240
    Louisville
  40. 2018 Cannondale Topstone Sora – Upgraded Wheels & Fresh Tune-Up
    $650
    Louisville
  41. Norco Ryde 26 Dirt Jumper
    $450
    Boulder
  42. 1960's Schwinn Cruiser Bike
    $100
    N. Boulder
  43. Murray Monterey Crusier Bike
    $75
    N. Boulder
  44. Trek Multitrack 7300 mens 17.5”
    $75
    Superior
  45. FUJI Newest 3.0 Road Bike Excellent Condition Fully Serviced
    $380
    Louisville
  46. TREK 3500 Hardtail Mountain Bike Excellent Condition Fully Serviced
    $280
    Louisville
  47. DiamondBack Wildwood Hybrid/Commuter Bike Great Condition Just Tuned
    $200
    Louisville
  48. TREK Navigator 200 Hybrid / Comfort Bike Great Condition Just Tuned
    $260
    Louisville
  49. Specialized 2020 Turbo Como 5.0 Electric Bike eBike - Large
    $1,600
    Superior
  50. Specialized Eliminator Grid Trail 2Bliss Ready T9 New Bike Tube
    $60
    Superior
  51. Electra Rat Rod Bikes 20"
    $50
    Erie
  52. 20" Kent Freestyle Bike
    $40
    Erie
  53. Trek x-caliber
    $300
    Longmont
  54. 2001 Schwinn Homegrown Comp 17"
    $675
    Table Mesa
  55. Focus Izalco XS Carbon Road Bike
    $490
    Boulder
  56. Diamondback Vital 2 Woman's Hybrid / Comfort Bike Like New Just Tuned
    $280
    Louisville
  57. TREK SOHO-S Single Speed Road Bike Excellent Condition
    $200
    Louisville
  58. Corsa R-Fourteen Road Bike Excellent Condition Fully Serviced
    $280
    Louisville
  59. TREK Navigator 200 Hybrid / Comfort Bike Like New Cond. Fully Serviced
    $340
    Louisville
  60. Trek 3500 Mountain Bike
    $250
    North Boulder
  61. Schwinn Moab 24 Speed Mountain Bike- Professionally Tuned Up
    $250
    Boulder
  62. Trek 3200 - Excellent Condition
    $250
    Boulder
  63. Trek 4500 Women's Hardtail Mountain Bike - Professionally Tuned Up
    $250
    Boulder
  64. Women's Trek (Turquoise) Step Through Comfortable Hybrid
    $250
    Boulder
  65. Women's Trek (Purple) Step Through Comfortable & Upright Hybrid
    $250
    Boulder
  66. Women's Nishiki Simple 7 Speed Commuter With Rack - Tuned Up
    $200
    Boulder
  67. Women's Specialized Hybrid - Professionally Tuned Up
    $250
    Boulder
  68. Kids' Extra Small Specialized Mountain Bikes - 26" Wheels-Tuned Up
    $250
    Boulder
  69. Kids Specialized Hotrock (Blue) Mountain Bike - 24" Wheels
    $225
    Boulder
  70. Intense 951 XC Mountain Bike – Full Carbon, Size Medium
    $3,000
  71. Gary Fisher Joshua X1
    $230
    Superior
  72. 2021 Factor O2 VAM Road Bike 49 cm
    $2,700
    Superior
  73. Soma Groove - Medium (26" + XT + RaceFace)
    $325
    Boulder / College
  74. Cannondale SuperSix (54) Carbon + Ultegra
    $525
    Boulder / College
  75. Canyon Grail CF SLX Large Gravel Bike
    $3,450
    Boulder
  76. Steel Trek 21"
    $250
    Louisville
  77. Trek 620
    $250
    Louisville
  78. Schwinn Jaguar 7 speed
    $50
    Longmont
  79. 2 Huffy Cranbrook cruisers
    $300
    Longmont
  80. Commencal Absolut Dirt Jumper - M
    $850
    Boulder
  81. Cannondale Competition Series 3.0 SM900 Aluminum Frame Mountain Bike
    $450
    South Boulder
  82. Gary Fisher Joshua X1 Full Suspension Mountain Bike
    $300
    South Boulder
  83. Gary Fisher Tassajara Aluminum Frame Mountain Bike
    $150
    South Boulder
  84. Trek 2100 ZX Carbon Frame Road Bicycle
    $300
    South Boulder
  85. Cannondale Scalpel 29" Carbon 2 Lefty Mountain Bike
    $1,000
    South Boulder
  86. Giant Boulder Mountain Bike
    $180
    South Boulder
  87. Jamis Citizen 2 Comfort Bicycle
    $250
    South Boulder
  88. Specialized Rockhopper Aluminum Frame Mountain Bike
    $180
    South Boulder
  89. Marin San Rafael DS2 - Aluminum Frame, Disc Brakes
    $260
    South Boulder
  90. Bianchi Vigorelli Bicycle Frame and Fork
    $250
    South Boulder
  91. Bianchi 1885 Reparto Corse Bicycle HAND MADE in ITALY
    $900
    South Boulder
  92. Trek Fuel 90 Full Suspension Mountain Bike 🚲
    $350
    South Boulder
  93. Kona NuNu Mountain Bike
    $200
    South Boulder
  94. Gary Fisher Utopia Hybrid Urban Commuter Bike 🚴‍♂️
    $250
    South Boulder
  95. REI Co-op Cycles REV 16 Kids Bike
    $120
    Boulder
  96. REI Co-op Cycles REV 20 Kids Bike
    $150
    Boulder
  97. 2021 Specialized Tarmac SL7 Expert 54cm
    $3,500
    Boulder
  98. Schwinn Traveler Road Bike - Vintage
    $200
    South Boulder
  99. Nishiki Bravo Mtn Bicycle
    $125
    South Boulder
  100. Cannondale F600 Comp Mountain Bicycle
    $250
    South Boulder
  101. Gary Fisher Cake 3 DLX Bicycle Full Suspension Hydraulic Disc Brakes
    $450
    South Boulder
  102. Trek 6500 Aluminum Frame Mountain Bike - Orange
    $200
    South Boulder
  103. Specialized HardRock FS Mountain Bike - Silver
    $200
    South Boulder
  104. GT Aggressor 2.0 Aluminum Frame Mountain Bike
    $200
    South Boulder
  105. Trek 6500 Aluminum Frame Mountain Bicycle - Blue
    $200
    South Boulder
  106. Fuji Eddy Mountain Bicycle
    $150
    South Boulder
  107. Fuji Nevada Mountain Bike
    $150
    South Boulder
  108. GT Outpost All Terra Vintage Mountain Bike
    $200
    South Boulder
  109. GT Outpost Mountain Bicycle - Front Suspension
    $175
    South Boulder
  110. Kona Hoss Aluminum Frame Mountain Bike
    $250
    South Boulder
  111. Giant Rincon Mountain Bicycle
    $200
    South Boulder
  112. Specialized Hardrock Punk Mountain Bike
    $200
    South Boulder
  113. Kona Cinder Cone Suspension Mountain Bicycle
    $250
    South Boulder
  114. GT Saddleback Mountain Bike - Front Suspension
    $125
    South Boulder
  115. Diamondback Octane 24 Suspension Mountain Bike
    $100
    South Boulder
  116. Schwinn Super Sport GL Road Bike Aluminum Frame
    $250
    South Boulder
  117. Schwinn Woodlands Commuter Hybrid Bike
    $150
    South Boulder
  118. Classic Schwinn s [ 9 five] .3 Aluminum Mountain Bike
    $175
    South Boulder
  119. Schwinn Mesa GS Aluminum Frame Suspension Mountain Bike bicycles
    $225
    South Boulder
  120. Centurion Dave Scott Ironman Expert Vintage Bicycle
    $400
    South Boulder
  121. Classic Diamondback Ascent Mountain Bicycle 🚵‍♂️
    $140
    South Boulder
  122. Specialized Hardrock Sport Mountain Bike
    $250
    South Boulder
  123. Felt FA SL Superlight Aluminum Road Bicycle
    $700
    South Boulder
  124. Specialized Roll Sport Comfort Hybrid Bike
    $250
    South Boulder
  125. Castellano Fango Softail Aluminum Frame Mountain Bicycle
    $380
    South Boulder
  126. Schwinn Mesa GSX Aluminum Mountain Bike Front Suspension
    $250
    South Boulder
  127. Cannondale F300 Front Suspension Mountain Bike
    $275
    South Boulder
  128. Trek 7.3 FX Bicycle
    $250
    South Boulder
  129. Torker U District Urban City Single Speed Bicycle
    $120
    South Boulder
  130. Specialized RockHopper Bicycle 🚲
    $200
    South Boulder
  131. Motobecane Elite Adventure 28" Gravel Hybrid Bike
    $200
    South Boulder
  132. Gary Fisher Napa Mointain Bike
    $250
    South Boulder
  133. Gary Fisher Mamba Front Suspension Mountain Bike
    $200
    South Boulder
  134. Giant ATX780 Front Suspension Mountain Bike
    $200
    South Boulder
  135. Trek 3900 WSD Mountain Bicycle
    $200
    South Boulder
  136. Specialized RockHopper Mountain Bicycle 🚵‍♂️
    $200
    South Boulder
  137. Gary Fisher Mamba Front Suspension Mountain Bike
    $200
    South Boulder
  138. Trek Lime Lite Comfort Bicycle
    $120
    South Boulder
  139. Gary Fisher Kaitai Mountain Bike
    $250
    South Boulder
  140. Specialized XC FSR Aluminum Full Suspension Mountain Bike
    $300
    South Boulder
  141. Specialized Expedition Sport Mountain Bike
    $200
    South Boulder
  142. Specialized Pitch 27.5 Mountain Bike
    $350
    South Boulder
  143. Schwinn Ranger Comfort Commuter 21 Speed Bicycle
    $200
    South Boulder
  144. ‘25 Specialized 2 Turbo Vado 4.0
    $2,275
    Longmont
  145. Kona ultralight Steel 16 1/2 inch frame
    $260
  146. Specialized Rockhopper Comp
    $300
  147. Shimano Rotors / New with hardware 180
    $25
    Lafayette
  148. Trek Single Track 930 USA made 191/2 “
    $140
  149. TREK 4300 Hardtail Mountain Bike Excellent Condition Fully Serviced
    $300
    Louisville
  150. Raleigh Technium ATB-All Terrain Bike Excellent Cond. Fully Serviced
    $320
    Louisville
  151. HARO V-Series V1 Hardtail Mountain Bike Excellent Condition Just Tuned
    $280
    Louisville
  152. TREK Navigator 2.0 Hybrid/Comfort Bike Excellent Condition Just Tuned
    $300
    Louisville
  153. Trek 8000 Series Aluminum Deore XT 17 inch
    $200
  154. Jamis Diablo Steel MTB 21 inch frame/L
    $200
  155. Giant Carbon Hybrid 19inch
    $200
  156. Trek 58cm 1220 ZX Aluminum 21 Speed US made
    $160
  157. Lemond Tete de course Carbon 58cm.
    $250
  158. Stumpjumper 18 inch vintage Aluminum
    $200
  159. GIANT Cypress Hybrid / Comfort Bike Excellent Condition Fully Serviced
    $340
    Louisville
  160. KHS Montana Custom Hybrid/Comfort Bike Excellent Cond. Just Tuned
    $240
    Louisville
  161. Specialized Hard Rock Mountain bike
    $140
    Boulder
  162. TREK Superfly 240 Disc Hardtail Mountain Bike Excellent Cond. Tuned
    $460
    Louisville
  163. GIANT MTX 225 Kids Mountain Bike Excellent Condition Ready to Ride
    $240
    Louisville
  164. Pinarello Carbon Women's Road Bike 49cm XS
    $1,250
    Boulder
  165. K2 ZED 1.0 Hardtail Mountain Bike Excellent Condition Fully Serviced
    $300
    Louisville
  166. Giant Sedona ST Hybrid / Commuter Bike Great Condition Fully Serviced
    $200
    Louisville
  167. Giant road bike
    $175
    boulder
  168. Trek Discovery Channel Road Bike - Small Mint Condition
    $360
    North Boulder
  169. Bridgestone MB-5 Mountain Bike Excellent Condition Fully Serviced
    $300
    Louisville
  170. TREK 7.2 FX Hybrid / Gravel Bike Excellent Condition Fully Serviced
    $360
    Louisville
  171. GT Bullet Kids Mountain Bike Excellent Condition Fully Serviced
    $180
    Louisville
  172. Trek Boone Carbon Gravel / Cyclocross bike 54cm / Medium
    $2,995
    Boulder
  173. Ancheer 26" Electric Mountain Bike MAX
    $90
    Boulder
  174. 2025 Trek Madone SLR Carbon Road Bike Large
    $6,250
    Boulder
  175. TREK MT 220, MT220 Kids Hardtail Mountain Bike Excellent Cond. Tuned
    $260
    Louisville
  176. Univega Via Carisma Hybrid / Comfort Bike Excellent Condition Tuned
    $260
    Louisville
  177. RoadMaster Mt. Fury Mountain Bike Great Condition Just Tuned
    $70
    Louisville
  178. 2010 Trek Madone Carbon 58 cm Road Bike with Ultegra 2x10
    $800
    South Boulder
  179. TREK 720 MultiTrack Hybrid / Comfort Bike Excellent Condition Tuned
    $280
    Louisville
  180. TREK Navigator 400 Step Through Hybrid / Comfort Bike Like New Tuned
    $340
    Louisville
  181. Public Ladies bike
    $100
    Boulder
  182. 2005 Raleigh prestige Carbon fiber race road bike 55cm
    $400
    Boulder
  183. Working bicycles!
    $30
    Boulder
  184. Bakcou Single Wheel Hunting Cargo Trailer - UPGRADED Fox Air Shock
    $250
    Boulder
  185. Gazelle E-bike
    $1,250
    Boulder
  186. Obed GVR Large Carbon Gravel Bike
    $2,690
    Boulder
  187. Mondonico
    $1,600
  188. Extra Small Specialized Comp Kids Mountain Bike - 26" Wheels
    $250
    Boulder
  189. Kids Scott Orange Mountain Bike - 24" Wheels - Mint Condition
    $225
    Boulder
  190. Trek 820 Hybrid Commuter Bike - Professionally Tuned Up
    $225
    Boulder
  191. Trek Mountain Track City Commuter Bike -Professionally Tuned Up
    $200
    Boulder
  192. Specialized Hotrock Hardtail Mountain Bike- Professionally Tuned Up
    $250
    Boulder
  193. Miyata Hybrid Bicycle - Professionally Tuned Up
    $250
    Boulder
  194. Extra Small Trek 8000 Mountain Bike - 26" Wheels- Pro Tuned Up
    $250
    Boulder
  195. Rans Cruz recumbent bicycle, medium
    $800
    Longmont
  196. Overland A/T Cargo Fat Tire Class 2 eBike *Only 1 Left*
    $1,500
    Louisville
  197. 1963 Schwinn Co-Ed: Genuine Chicago Schwinn
    $220
    Erie
  198. 1982 Schwinn Pixie
    $195
    Erie
  199. Trek Fuji - small frame
    $250
    Boulder
  200. Kids Bike, Scooter
    $50
    Niwot
  201. Scott Addict Gravel bike 58cm like new
    $3,000
    Boulder
  202. Liv Alight commuter bike – fully equipped, ready to ride immediately!
    $225
    East Boulder
  203. Schwinn OR2 Hybrid/Comfort Bike Like New Condition Fully Serviced
    $200
    Louisville
  204. E bike 2019 Rad Rover Fat tire
    $800
    Longmont
  205. E bike 2025 Jaison Hunter Pro foldable
    $900
    Longmont
  206. 26’ kids mountain bike
    $55
    Lafayette
  207. Mountain Bike
    $1,500
    Erie
  208. K2 Cheyenne Hardtail Mountain Bike Excellent Condition Fully Serviced
    $280
    Louisville
  209. Trek Navigator 200- large, comfortable hybrid/upright/aluminum
    $130
    Mapleton Hill
  210. Canyon Dude carbon fat tire Large
    $1,300
    Lafayette
  211. Santa Cruz Hightower CC LT + Reserve Wheels
    $2,500
    Boulder
  212. Colnago Vintage Service Course Frameset
    $650
  213. Eddy Merckx Kessels Vintage City Cruiser Bike
    $750
  214. Banshee Prime v3.2 XL frame + Cane Creek Tigon Coil
    $1,300
  215. XL Banshee Anomaly Frame
    $400
  216. Bike Trainer
    $50
    South Boulder (Martin Acres)
  217. 20” Cannondale Kids Bike Good Condition
    $110
    Boulder
  218. 24” Specialized Mountain Bike Good Condition
    $140
    Boulder
  219. 20” Specialized Kids Bike Fair Condition
    $70
    Boulder
  220. 24” Gary Fisher Mountain Bike Good Condition
    $120
    Boulder
  221. Trek Madone SL 5.9 carbon road bike - 2007 54.5 cm
    $875
    Boulder
  222. NEW Large Specialized Rockhopper Sport Hardtail
    $550
    Boulder
  223. Boys Specialized Youth Bike
    $175
    Longmont
  224. Specialized Rockhopper 13” kids bike
    $80
    Longmont
  225. Cannondale Delta V1500 "vintage" early 1990's mountain bike
    $50
    Boulder
  226. Trek road bike gunmetal blue
    $270
  227. E-TRIKE, E TRIKE, VTUVIA, White Electric Tricycle
    $1,400
    boulder
  228. REEB gravel bike 58 cm
    $2,800
    Boulder
  229. Revel Rascal V2 GX Eagle (Medium) – Pinot Gnar – Excellent Condition -
    $4,200
  230. Revel Rascal V2 GX Eagle (Medium) – Pinot Gnar – Excellent Condition
    $4,000
  231. Vintage Schwinn Road Bike
    $100
    SW Longmont
  232. BH Crystal Woman's carbon road bike - Small
    $950
    e boulder
  233. Recumbent E‑Trike for Sale — Barely Used (Only ~50 Miles!)
    $2,300
    Longmont
  234. Pivot Trail 429 XL frame
    $2,499
    Louisville
  235. 2025 Aventon Sinch 2 E Bike w/ Basket
    $575
    Boulder
  236. Burley d'Lite bicycle trailer
    $150
    Longmont
  237. Rad Power Trike
    $1,000
    Boulder
  238. Single speed with a Trek 5200 OCLV carbon fiber frame
    $150
    Boulder
  239. SuperFly 100 with newer / ugraded compnents 1x11 Large
    $700
    Boulder
  240. Kids 20 inch wheel mountain bike
    $50
    Niwot
  241. Very Excellent LECTRIC EBike
    $600
    Boulder
  242. Wahoo Kickr Bike PRICE DROP
    $1,850
    Erie
  243. 1980 Trek 412 steel road bike, tall 24" size
    $120
    Boulder / Lafayette
  244. 2012 Surly Pugsley Black Ops/Necromancer 20" (L), 2 wheelsets, extras
    $1,700
  245. stolen Wilier Filante?
    $0
    boulder
  246. Gravity Single-Speed Fixie Track Bike
    $300
    Longmont
  247. Lynskey Ti Gravel / Touring bike 58cm (large)
    $2,450
    Boulder
  248. Extra Large Spot Mayhem 130 carbon 29er
    $1,750
    Boulder
  249. TREK Navigator 200 Hybrid/Comfort Bike Excellent Condition Just Tuned
    $300
    Louisville
  250. Large Specialized S-Works Stumpjumper 29 XX1 (excellent shape)
    $1,900
    Boulder
  251. Medium 2023 Trek Slash 9.8 AXS carbon 29er ($4k on bluebook)
    $2,999
    Boulder
  252. Handmade Bilinkey Tandem – Great Condition!
    $800
    boulder
  253. 2016 Dartmoor 26Player 26"
    $875
    Boulder
  254. 2025 eBike Class 3 Rad Power Bikes RadRunner Max
    $1,700
    Boulder
  255. Vintage Cannondale F500
    $325
    Boulder
  256. Trek 820 Hardtail Bike 13in XS 3x7 26x2.0 Blk Suntour Fork
    $180
  257. Rocky Mountain Altitude 10 Full Suspension Mountain Bike
    $400
    Boulder
  258. Vevor 26 Tricycle
    $150
  259. Doona Trike
    $75
    Louisville
  260. Giant Sedona DX Bicycles
    $200
    Longmont, CO
  261. Very Nice Hoverfly E-Bike
    $500
    Boulder
  262. TREK 1000 SL Road Bike Excellent Condition Fully Serviced
    $380
    Louisville
  263. Pinarello kids road 24
    $300
    Boulder
  264. Argon 18 Radon 2013 Road Bike
    $485
    Boulder
  265. Trek Madone SL Gen 8 (2026) Sram Force AXS build, Size M/L
    $4,500
  266. Niner Jet RDO
    $1,800
  267. North Shore 6-Bike Hitch Rack
    $650
    Erie
  268. Bike Specialized Fatboy M5
    $500
    Boulder
  269. Giant Pre Strider Bike
    $100
    Boulder
  270. Ibis Ripley v4 XL
    $2,600
  271. Kids Single Speed Cannondale
    $50
  272. Fuji Silhouette Forza
    $160
    Boulder
  273. Mag Indoor Bike Trainer With Magnetic Resistance + Climbing Block
    $75
    Louisville
  274. Red Barron Felt Cruise Bike
    $200
    Boulder
  275. FUN Cruiser Bike
    $200
    Boulder
  276. For Sale: Liv (Giant) 20” Kids’ Bike
    $100
    Superior
  277. old school BMX magazines ($40 per issue)
    $40
    Lafayette
  278. Stryde Kids Rollerblades Roller Skates - Pristine Condition
    $9
    Superior
  279. REI Co op E-Bike Generation E1.1 w/ REI Saddle Bags
    $550
    South Boulder
  280. Rocky Mountain Sherpa Touring/Gravel bike - Small
    $465
  281. Fit BMX Bike
    $265
  282. FS- Factor Hanzo Track-
    $7,600
  283. Diamondback Fat Tire Bike
    $725
    Erie
  284. Trek FX1
    $200
    Boulder
  285. kids bike -- Specialized Rockhopper
    $95
    Niwot
  286. 2008 Trek Madone 5.2
    $300
  287. Women's Specialized Dolce Road Bike White
    $325
    Louisville
  288. Verde Prism 20-inch BMX Bike
    $100
    Louisville, CO
  289. Specialized Roubaix Expert 2006
    $599
    Boulder
  290. Lauf True Grit XL
    $1,900
    Lafayette
  291. Surly Moonlander 29+ XL
    $1,400
    Lafayette
  292. Good bike rack
    $40
    Boulder
  293. Sedona DX Giant bike
    $100
    Boulder
  294. Serotta CST Titanium Gravel Bike
    $1,500
    Boulder
  295. AWESOME E-BIKE STEP THRU CRUISER…
    $1,500
    Boulder
  296. Giant TCR Czero Road Bicycle
    $500
    North Boulder
  297. Lemond Poprad
    $450
    Boulder
  298. James Frames built by JP Boylan from Boulder Co
    $300
    Boulder Co
  299. Seven Axiom Road Bike
    $650
    Boulder
  300. Greg Lemond Nevada City Road Bike
    $275
    Longmont
  301. Immaculate BMC Teammachine SLR01 DISC ONE, 54 cm
    $2,100
    Boulder
  302. 2025 Riprock 24 Specialized kids bike w upgrades
    $700
  303. E-Bike for Sale
    $900
    Boulder
  304. Surly Wednesday w/lots of upgrades
    $1,500
    Boulder
  305. Trek 4.7 Domane OCLV Carbon 400 Series Road Bike
    $900
  306. Trek Domane Four Series OCLV Carbon Road Bike 56cm
    $875
  307. Mercian Road Bike 1985 Like New
    $495
    Boulder
  308. Trek Dual Sport 2 Excellent
    $445
    Boulder
  309. Surly Moonlander fat tire steel bike - 18 inch
    $790
    Nederland
  310. Da Vinci Tandem
    $3,000
    Lafayette
  311. 70s Takara 10 speed
    $50
  312. Niner Jet RDO 29in mtn-bike
    $1,800
  313. Niner Jet RDO 29inch mtn-bike
    $1,800
  314. Zwift Ride with KICKR CORE 2
    $1,100
    Boulder
  315. Co-Motion Tandem Road bike
    $1,500
  316. Canyon Neuron CF 8
    $2,000
    Erie
  317. Black Ops BMX Handle Bar, Brand-New!
    $20
    Boulder
  318. L.E.D Spoke Lights x 2, Brand New, Awesome patterns!
    $20
    Boulder, CO
  319. L.E.D Spoke Lights x 2, Brand New, Awesome patterns!
    $20
    Boulder, CO
  320. Black Ops BMX Handle Bar, Brand-New!
    $20
    Boulder
  321. Like New Marin Donkey Jr. 18" kids bike
    $130
    Longmont
  322. Like new 16" Cannondale Kids Bike
    $200
    Longmont
  323. Rifton Adult Tricycle
    $385
  324. Beautiful Vintage Bianchi
    $700
  325. Road bike Schwinn fastback
    $200
    Boulder
  326. Cove Handjob XC
    $550
    Table Mesa
  327. Ride Concepts(RC) Tallac Boa shoes
    $100
  328. Dean Titanium Road
    $1,500
  329. Fatbike - REI DRT 4.1
    $450
  330. 2009 Fuji Silhouette WSD 52cm Reynolds R4 carbon wheels
    $400
    Superior
  331. Giant Defy Advanced 3 large
    $450
  332. Trek 4900 Mountain Bikd
    $99
    Lafayette
  333. 2020 Benno Boost E-Bike w cargo rack— Bosch Powerpack 400
    $2,200
    Louisville
  334. Folding bike - Zizzo Liberté
    $200
  335. Rarely available in U.S!
    $275
    Boulder
  336. 2011 Trek Madone 4.7 58cm
    $1,150
    Boulder
  337. Vintage Santa Cruz Dual Suspension MTB, XL frame
    $200
    Louisville
  338. Borrow my Edgewood city bike for 150 donation to any eco org/ xoearth
    $150
    Boulder