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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. Trek Discovery Channel Road Bike - Small Mint Condition
    $399
    North Boulder
  3. Trek Antelope Bike
    $50
    Boulder
  4. Huffy BMX BMX bicycle
    $19
    Louisville
  5. RADIO FLYER TRICYCLE
    $40
    Boulder
  6. Custom Cruiser Green 3-Speed Internal Hub, Wicker Basket, Small
    $245
  7. 2021 Yeti SB 130 T2, XL frame, great condition!
    $3,750
    Boulder
  8. Schwinn Vintage Bicycle - 18” frame
    $100
    Longmont
  9. Santa Cruz Nomad Mountain Bike
    $2,700
    Boulder
  10. Moots Smoothie Blend MTB - Size Medium (17")
    $2,500
    Louisville
  11. RoadMaster Mt. Fury Mountain Bike Great Condition Just Tuned
    $70
    Louisville
  12. TREK 1000C Road Bike Excellent Condition Fully Serviced
    $480
    Louisville
  13. TREK Navigator 400 Step Through Hybrid / Comfort Bike Like New Tuned
    $340
    Louisville
  14. TREK 7.2 FX Hybrid / Gravel Bike Excellent Condition Ready to Ride
    $380
    Louisville
  15. FUJI Monterey Hybrid / Comfort Bike Like New Condition Fully Serviced
    $380
    Louisville
  16. mountain/cruiser bike
    $140
    Boulder
  17. Mongoose Sycamore bike for medium/tall person
    $100
    Boulder
  18. TREK 1000 Aluminum road bike 56cm frame
    $250
    Boulder
  19. Diamondback Parkway Hybrid bike 17-inch Medium 21-speed 700x35c
    $150
  20. Trek E-MTB Powerfly 4 Full Suspension
    $2,500
  21. Schwinn Ranger
    $200
  22. Schwinn Pathway Women's Multi-Use Bike
    $150
  23. Bianchi Infinito CV 61cm, Ultegra
    $1,350
    E Boulder
  24. Rad Runner Plus fat tire ebike
    $1,200
  25. Greg Lemond Nevada City Road Bike
    $380
    Longmont
  26. Sondors Fold X E Bikes
    $500
    Boulder
  27. Univega Via Carisma Hybrid / Comfort Bike Excellent Condition Tuned
    $240
    Louisville
  28. Schwinn OR2 Hybrid/Comfort Bike Like New Condition Fully Serviced
    $200
    Louisville
  29. DiamondBack Wildwood Hybrid/Commuter Bike Great Condition Tuned
    $200
    Louisville
  30. Schwinn Mesa Hybrid / Comfort Bike Great Condition Fully Serviced
    $200
    Louisville
  31. Knee rover scooter
    $60
    Longmont
  32. [For Sale] 2021 Hardtail MTB: Ghost Kato Universal 29 Hardtail Medium
    $500
    North Boulder
  33. Roadmaster 18 Speed Mountain Bike
    $60
  34. Raleigh M40 21 Speed Front Suspension Mountain Bike
    $150
  35. XL - 21inch Gary Fisher Cobia - 29er
    $750
  36. Priorty Start 20" belt-driven kids bike
    $295
    Louisville
  37. TREK Navigator 2.0 Hybrid/Comfort Bike Excellent Condition Just Tuned
    $300
    Louisville
  38. TREK 1000 SL Road Bike Excellent Condition Fully Serviced
    $480
    Louisville
  39. TREK 3700 Hardtail Mountain Bike Excellent Condition Fully Serviced
    $280
    Louisville
  40. GIANT Simple Seven Woman's Cruiser Bike Like New Condition just Tuned
    $240
    Louisville
  41. Trek 820 Hardtail Bike 18in 3x7
    $190
  42. Dynacraft Aftershock 18 Speed Dual Suspension Mountain Bike
    $100
  43. Mongoose Sahara 21 Speed Front Suspension Mountain Bike
    $100
  44. Diamondback Lustre 1 21 Speed Front Suspension Mountain Bike
    $100
  45. KHS Montana Custom Hybrid/Comfort Bike Excellent Cond. Just Tuned
    $240
    Louisville
  46. TREK Navigator 200 Hybrid / Comfort Bike Excellent Condition Tuned
    $280
    Louisville
  47. TREK MT 60 Kids Hardtail Mountain Bike Excellent Condition Just Tuned
    $160
    Louisville
  48. Vintage 1968 Raleigh Competition Road Bike
    $500
    Longmont
  49. XS - Specialized Rockhopper 27.5 wheels - youth MTB
    $395
  50. Trek mountain bike
    $575
    Lafayette
  51. 2025 Specialized Stumpjumper 15 Pro, S3
    $4,500
    Gunbarrel
  52. Vintage Trek 2300 Bro Carbon Road Bike with Shimano Tri Color 600!
    $598
    Part out, Frame Set $299!!!
  53. Raleigh Technium ATB-All Terrain Bike Excellent Cond. Fully Serviced
    $320
    Louisville
  54. Corsa R-Fourteen Road Bike Excellent Condition Fully Serviced
    $280
    Louisville
  55. GIANT Boulder SE Hardtail Mountain Bike Excellent Condition Just Tuned
    $260
    Louisville
  56. TREK Navigator 200 Hybrid / Comfort Bike Great Condition Just Tuned
    $260
    Louisville
  57. New Burley Piccolo Child Bike Tagalong Trailercycle
    $290
    Boulder
  58. Cervelo P5 Large TT Triathlon Bike
    $2,495
    Boulder
  59. Trek Women's Neko 1 Mountain Bike
    $250
    Boulder
  60. Yamee Fat Bear 750S ebike Excellent condition
    $880
    Boulder
  61. Rockrider ST 100 trail / mountain bike
    $140
    Boulder
  62. Specialized Vita Elite Women’s Hybrid City Gravel L 700x32 3x9
    $300
  63. TREK 800 ATB-All Terrain Bike Excellent Condition Fully Serviced
    $200
    Louisville
  64. FUJI Absolute 4.0 Hybrid/Gravel Bike Like New Condition Just Tuned
    $280
    Louisville
  65. Raleigh Talus Mountain Bike Like New Condition Ready to Ride
    $240
    Louisville
  66. GT Outpost Trail Mountain Bike Excellent Condition Fully Serviced
    $240
    Louisville
  67. Mountain Bike needs new home
    $250
  68. Specialized Hardrock Sport - Medium
    $90
    Arvada
  69. Schwinn Solutions FS 27 Speed Front Suspension Mountain Bike
    $100
  70. Mongoose Montana 21 Speed Front Suspension Mountain Bike
    $125
  71. Vintage White Women's Peugeot 12 Speed Bicycle
    $30
    Longmont
  72. Diamondback Recoil Full-Susp 29er Disc Brakes Large 3x8
    $300
  73. Trek 6500ZX 21 Speed Front Suspension Mountain Bike
    $150
  74. Schwinn Radiant 7 Speed Front Suspension Hybrid
    $100
  75. Raleigh M40 21 Speed Front Suspension Mountain Bike
    $150
  76. 2024 Revel Ranger V2 XO build
    $4,500
  77. Four Vintage bicycles and bike rack
    $240
  78. K2 Cheyenne Hardtail Mountain Bike Excellent Condition Fully Serviced
    $300
    Louisville
  79. Raleigh Venture 3.0 Hybrid / Comfort Bike Excellent Condition Tuned
    $280
    Louisville
  80. TREK MT 220, MT220 Kids Hardtail Mountain Bike Excellent Cond. Tuned
    $260
    Louisville
  81. 2005 Raleigh prestige Carbon fiber race road bike 55cm
    $400
    Boulder
  82. Trek Mountain Bikes- Professionally Tuned Up
    $250
    Boulder
  83. 2012 Surly Pugsley Black Ops/Necromancer 20" (L), 2 wheelsets, extras
    $1,700
  84. 1982 Schwinn Pixie
    $195
    Erie
  85. 1963 Schwinn Co-Ed: Genuine Chicago Schwinn
    $225
    Erie
  86. Specialized Hot Rock 24"
    $200
    Erie
  87. TREK Navigator 200 Hybrid / Comfort Bike Like New Cond. Fully Serviced
    $340
    Louisville
  88. Giant Sedona ST Hybrid / Commuter Bike Great Condition Fully Serviced
    $200
    Louisville
  89. TREK 3700 Hardtail Mountain Bike Excellent Condition Fully Serviced
    $280
    Louisville
  90. Diamondback Vital 2 Woman's Hybrid / Comfort Bike Like New Just Tuned
    $280
    Louisville
  91. Small / Medium Specialized Mountain Bikes x 4 - Tuned Up
    $250
    Boulder
  92. Titanium Voodoo Haka 29er
    $750
    Nederland
  93. Pashley (English) Bicycle - Womens' 26" with 3-speed hub
    $185
    Lafayette
  94. Cruiser
    $100
    Longmont
  95. GT Outpost Trail Bike
    $80
    Longmont
  96. Miyata Hybrid Bicycle
    $250
    Boulder
  97. Extra Small Trek 8000 Mountain Bike - 26" Wheels
    $250
    Boulder
  98. Trek 3200 - Excellent Condition
    $250
    Boulder
  99. Schwinn Moab 24 Speed Mountain Bike
    $250
    Boulder
  100. Trek 4500 Women's Hardtail Mountain Bike
    $250
    Boulder
  101. Trek FX 7.1 Fast Hybrid
    $250
    Boulder
  102. Women's Nishiki Simple 7 Speed Commuter With Rack
    $200
    Boulder
  103. Women's Trek (Turquoise) Step Through Comfortable Hybrid
    $250
    Boulder
  104. Women's Specialized Hybrid
    $250
    Boulder
  105. Quality Refurbished Bicycles @ Boulder Affordable Bicycles
    $200
    Boulder
  106. Kids' Extra Small Specialized Mountain Bikes-26" Wheels- Pro Tuned Up
    $250
    Boulder
  107. Kids' Extra Small Trek Mountain Bikes - 26" Wheels - Pro Tuned Up
    $250
    Boulder
  108. Kids / Boys Specialized Hotrock (Green) Mountain Bike - 24" Wheels
    $225
    Boulder
  109. Vintage Trek 2300 Bro Carbon Road Bike with Shimano Tri Color 600!
    $598
    Now $499!!! OR $349 mid Refurb
  110. Vintage Trek 2300 Bro Carbon Road Bike with Shimano Tri Color 600!
    $598
    Now $499!!! Aurora Alameda @ I225
  111. Vintage Trek 2300 Bro Carbon Road Bike with Shimano Tri Color 600!
    $598
    Now $499!!! Aurora Alameda @ I225
  112. Refurbished 12R “Paw Patrol” 18” wheel Honey Joy Adorable
    $99
    For either bike Aurora I225 @ E 2nd Ave
  113. Schwinn commuter hybrid
    $50
    SE Boulder
  114. Giant Sedona SE Hardtail Mountain Bike 17.5in Small 26x1.95 3x7
    $195
  115. Australian "Malvern Star Sprint 1.0" - 700c Road wheels/tires
    $100
    Longmont
  116. Trek Emonda SL6 Pro
    $1,800
    Aspen/Boulder
  117. GIANT MTX 225 Kids Mountain Bike Excellent Condition Ready to Ride
    $240
    Louisville
  118. GT Bullet Kids Mountain Bike Excellent Condition Fully Serviced
    $160
    Louisville
  119. Raleigh Alysa 1 Hybrid / Gravel Bike Like New Condition Fully Serviced
    $280
    Louisville
  120. Bridgestone MB-5 Mountain Bike Excellent Condition Fully Serviced
    $300
    Louisville
  121. Trek Precaliber 24
    $300
    Berthoud
  122. 2018 YT Jeffsy 27 AL Comp - Excellently Maintained + Upgrades!
    $1,100
    Lafayette
  123. Elite Direto Bike Trainer
    $300
    Lafayette
  124. Trek 400 Road Bike 1980’s 52cm 3x6 700x23
    $265
  125. Focus commuter ebike. 28mph. Large
    $1,100
  126. Faraday city bike. Large
    $850
  127. Stromer St5 only 32 miles. Large
    $3,500
  128. Pedego element 20 inch fat tire ebike
    $850
  129. Giant ebike. 28mph. Small
    $850
  130. Open WIDE Gravel Bike - XL Turquoise
    $4,175
    Boulder
  131. Orbea WILD FS H20 E-Bike Dual Suspension Mountain Bike 2022 LG Silver
    $4,200
    Berthoud
  132. Novara Moxie 24 Kids Hardtail Mountain Bike Excellent Condition Tuned
    $240
    Louisville
  133. GT LOLA 24 Disc Kids/Girls Hardtail Mountain Bike Like New Just Tuned
    $360
    Louisville
  134. K2 ZED 1.0 Hardtail Mountain Bike Excellent Condition Fully Serviced
    $300
    Louisville
  135. Hyper Spin Fusion 700C Hybrid / Road Bike Excellent Condition Tuned
    $180
    Louisville
  136. Jamis Explorer 21 Speed Hybrid
    $125
  137. Trek 6500ZX 21 Speed Front Suspension Mountain Bike
    $150
  138. Fuji Absolute 4.0 21 Speed Hybrid
    $125
  139. Giant EBike / Bike (FastRoad E+ EX Pro 21) - Size M
    $1,000
    Boulder
  140. JEEP Hardtail Mountain Bike Excellent Condition Ready to Ride
    $200
    Louisville
  141. GIANT MTX 225 Kids Mountain Bike Good Condition Fully Serviced
    $160
    Louisville
  142. TREK FX 7.4 WSD - Woman's Hybrid / Gravel Bike Like New Fully Serviced
    $380
    Louisville
  143. Italian Steel Bike Chiordia 56cm
    $80
    Boulder
  144. Conti Trainer Tires
    $25
    Lafayette
  145. Schwinn converted to single speed. 56cm
    $80
    Lafayette
  146. Specialized Sirus. Hybrid.
    $220
    Lafayette
  147. Cadex/Giant 3 Carbon Mountain Bike
    $350
    Lafayette
  148. Schwinn Single Speed Conversion 56cm CC Seat T
    $120
    Boulder
  149. SCHWINN Sierra GS Woman's Hybrid / Comfort Bike Excellent Cond. Tuned
    $220
    Louisville
  150. TREK 3500 Hardtail Mountain Bike Excellent Condition Fully Serviced
    $280
    Louisville
  151. FUJI Newest 3.0 Road Bike Excellent Condition Fully Serviced
    $480
    Louisville
  152. HARO V-Series V1 Hardtail Mountain Bike Excellent Condition Just Tuned
    $280
    Louisville
  153. Specialized Road Bike
    $250
    Boulder
  154. Guerilla Gravity Smash - trade for XC/trail bike
    $3,200
    South Boulder
  155. Gary Fisher Joshua X1
    $250
    Superior
  156. 2021 Factor O2 VAM Road Bike 49 cm
    $3,000
    Superior
  157. Medium Giant Road Bike
    $145
    Boulder
  158. Trek Women's XS 49cm Road Bike
    $375
    Boulder
  159. Quintana Roo TT Triathlon Race Bike - 55 cm
    $500
    SW Longmont
  160. Bike Project - Janic Custom Steel Frame by Steve Dorris
    $150
    Longmont
  161. Trek 820 Hardtail Bike 13in XS 3x7 26x2.0 Blk Suntour Fork
    $190
  162. Raleigh USA M-55 Hardtail Mountain Bike Excellent Condition Just Tuned
    $220
    Louisville
  163. TREK Navigator 200 Hybrid / Comfort Bike Excellent Condition Tuned
    $300
    Louisville
  164. Kids' Extra Small Trek Mountain Bikes -26" Wheels - Pro Tuned Up
    $250
    Boulder
  165. Kids' Extra Small Specialized Mountain Bikes - 26" Wheels-Tuned Up
    $250
    Boulder
  166. Trek Mountain Bikes- Professionally Tuned Up
    $250
    Boulder
  167. Specialized Hotrock Hardtail Mountain Bike
    $250
    Boulder
  168. Trek Mountain Track City Commuter Bike
    $200
    Boulder
  169. Trek 820 Hybrid Commuter Bike
    $225
    Boulder
  170. Trek 3500 Mountain Bike
    $250
    North Boulder
  171. Women's Trek (Purple) Step Through Comfortable & Upright Hybrid
    $250
    Boulder
  172. Kids Specialized Hotrock (Blue) Mountain Bike - 24" Wheels
    $225
    Boulder
  173. Kids Scott Orange Mountain Bike - 24" Wheels - Mint Condition
    $225
    Boulder
  174. Extra Small Specialized Comp Kids Mountain Bike - 26" Wheels
    $250
    Boulder
  175. TREK Superfly 240 Disc Hardtail Mountain Bike Excellent Cond. Tuned
    $460
    Louisville
  176. GT Aggressor Pro with Bike Rack
    $250
    Boulder
  177. Gary Fisher Kaitai Mountain Bike
    $250
    South Boulder
  178. Specialized XC FSR Aluminum Full Suspension Mountain Bike
    $400
    South Boulder
  179. Specialized Pitch 27.5 Mountain Bike
    $380
    South Boulder
  180. Specialized Expedition Sport Mountain Bike
    $250
    South Boulder
  181. Schwinn Ranger Comfort Commuter 21 Speed Bicycle
    $200
    South Boulder
  182. Electra Cruiser Beach Cruiser Bicycle
    $90
    South Boulder
  183. Iron Horse CT55 Mountain Bicycle
    $150
    South Boulder
  184. Gary Fisher Joshua X1 Full Suspension Mountain Bike
    $320
    South Boulder
  185. Giant Boulder Mountain Bike
    $180
    South Boulder
  186. Nishiki Bravo Mtn Bicycle
    $125
    South Boulder
  187. Centurion Dave Scott Ironman Expert Vintage Bicycle
    $400
    South Boulder
  188. Schwinn Mesa GS Aluminum Frame Suspension Mountain Bike bicycles
    $225
    South Boulder
  189. Classic Schwinn s [ 9 five] .3 Aluminum Mountain Bike
    $175
    South Boulder
  190. Schwinn Woodlands Commuter Hybrid Bike
    $150
    South Boulder
  191. Vintage Trek 710 Road Bike - Excellent Condition
    $400
    South Boulder
  192. Schwinn Super Sport GL Road Bike Aluminum Frame
    $300
    South Boulder
  193. GT Saddleback Mountain Bike - Front Suspension
    $125
    South Boulder
  194. Diamondback Octane 24 Suspension Mountain Bike
    $200
    South Boulder
  195. Specialized Hardrock Punk Mountain Bike
    $225
    South Boulder
  196. Kona Hoss Aluminum Frame Mountain Bike
    $250
    South Boulder
  197. Kona Cinder Cone Suspension Mountain Bicycle
    $250
    South Boulder
  198. Giant Rincon Mountain Bicycle
    $200
    South Boulder
  199. GT Outpost Mountain Bicycle - Front Suspension
    $175
    South Boulder
  200. GT Outpost All Terra Vintage Mountain Bike
    $200
    South Boulder
  201. Fuji Eddy Mountain Bicycle
    $200
    South Boulder
  202. GT Aggressor 2.0 Aluminum Frame Mountain Bike
    $200
    South Boulder
  203. Fuji Nevada Mountain Bike
    $200
    South Boulder
  204. Trek 6500 Aluminum Frame Mountain Bike - Orange
    $300
    South Boulder
  205. Trek 6500 Aluminum Frame Mountain Bicycle - Blue
    $300
    South Boulder
  206. Specialized HardRock FS Mountain Bike - Silver
    $225
    South Boulder
  207. Gary Fisher Cake 3 DLX Bicycle Full Suspension Hydraulic Disc Brakes
    $480
    South Boulder
  208. Cannondale F600 Comp Mountain Bicycle
    $250
    South Boulder
  209. Felt FA SL Superlight Aluminum Road Bicycle
    $700
    South Boulder
  210. Specialized Hardrock Sport Mountain Bike
    $280
    South Boulder
  211. Giant Boulder Hybrid Mountain Commuter Bike
    $200
    South Boulder
  212. Cannondale F300 Front Suspension Mountain Bike
    $275
    South Boulder
  213. Specialized Custom Single Speed Townie Bicycle
    $100
    South Boulder
  214. Schwinn Mesa GSX Aluminum Mountain Bike Front Suspension
    $250
    South Boulder
  215. Castellano Fango Softail Aluminum Frame Mountain Bicycle
    $380
    South Boulder
  216. Specialized Roll Sport Comfort Hybrid Bike
    $280
    South Boulder
  217. Trek 3900 WSD Mountain Bicycle
    $300
    South Boulder
  218. Giant ATX780 Front Suspension Mountain Bike
    $200
    South Boulder
  219. Gary Fisher Mamba Front Suspension Mountain Bike
    $200
    South Boulder
  220. Marin Pioneer Trail Mountain Bike - Disc Brakes, Front Suspension
    $275
    South Boulder
  221. Gary Fisher Napa Mointain Bike
    $250
    South Boulder
  222. Motobecane Elite Adventure 29" Gravel Hybrid Bike
    $200
    South Boulder
  223. Vintage Schwinn Tempo Columbus Steel Lugged Road Bike Frame 50cm
    $140
    Gunbarrel
  224. Vintage 90s GIANT Iguana SE Silver MTB Mountain Bike Ready2Ride! 17.5"
    $180
    Gunbarrel
  225. GIANT Cypress Hybrid / Comfort Bike Excellent Condition Fully Serviced
    $340
    Louisville
  226. BH Cyclocross/Gravel, RX model, Carbon, Medium size
    $750
    Boulder
  227. Pinarello kids road 24
    $300
    Boulder
  228. Specialized hot rock 16
    $90
    Gunbarrel
  229. Mid-century Taiwanese Bicycle
    $500
    Boulder
  230. Gary Fisher MTB in well maintained condition
    $150
    Boulder
  231. Vintage Schwinn Road Bike
    $75
    SW Longmont
  232. Medium Scott Speedster S20 Triple
    $299
    Boulder
  233. Christmas Gift !! Haoqi Electric Bike - like new ! less than 50 miles
    $450
    South Boulder
  234. Gazelle ladies e-bike
    $1,000
    Boulder
  235. Schwinn Mountain Bike
    $75
    Marshall Rd
  236. Road Bike
    $75
    Marshall Rd
  237. Schwinn Frontier Hybrid / Comfort Bike Great Condition Fully Serviced
    $180
    Louisville
  238. Trek Lime Lite Comfort Bicycle
    $120
    South Boulder
  239. Specialized era comp 26 light
    $225
    Nederland
  240. Raleigh 3-speed
    $140
    S. Boulder
  241. Carbon Road Bike Ultegra w/ disc brakes
    $1,250
    S Boulder
  242. Specialized Turbo Levo SL 2 Comp Carbon Large-Brand New!!!
    $5,300
    Louisville
  243. GT Pro Performer 29” World Tour
    $750
  244. Retrospec Judd folding bike 20” wheels
    $250
  245. Schwinn “Sid” automatic 3 speed cruiser
    $250
    Louisville
  246. Pedego Element Platinum E-Bike Electric Bicycle
    $1,000
    Boulder
  247. 2023 Radrunner Plus E - Bike
    $1,000
    Louisville
  248. Yeti SB140 turq mountain bike, Sangria colorway, XL
    $5,000
    Boulder
  249. Specialized 2020 Turbo Como 5.0 Electric Bike eBike - Large
    $1,600
    Superior
  250. Specialized Eliminator Grid Trail 2Bliss Ready T9 New Bike Tube
    $60
    Superior
  251. Extra Large Spot Mayhem 130 5 star AXS build carbon 29er
    $2,300
    Boulder
  252. Large Specialized S-Works Stumpjumper 29 XX1 (excellent shape)
    $1,999
    Boulder
  253. Trek Silque 2016 women's road bike
    $1,000
    Longmont
  254. Checkpoint SL7
    $3,500
  255. 2020 Evil the Wreckoning - full carbon L frame
    $1,900
    Boulder, CO
  256. Specialized Epic Evo
    $0
  257. Allied Able
    $4,500
  258. Cervelo R3 Mud 58cm
    $2,500
    S Boulder
  259. 2023 Trek Supercaliber M/L
    $3,200
    Boulder
  260. Cleary Owl 20” 3 speed
    $180
    Boulder
  261. Shimano Dura-Ace C24 wheelset
    $450
    Boulder
  262. Black Ops BMX Handle Bar, Brand-New!
    $30
    Boulder
  263. L.E.D Spoke Lights x 2, Brand New, Awesome patterns!
    $20
    Boulder, CO
  264. Vintage Schwinn Collegiate 7 - Classic Cruiser
    $180
    Louisville
  265. Brand New TREK Mountain Bike - $700 OBO
    $700
    Boulder
  266. Giant Quick-E+ E-bike commuter
    $999
    Boulder
  267. 3T Exploro Ultra Rival, 54cm
    $2,750
    Boulder
  268. 2025 Specialized Stumpjumper Alloy 52cm
    $2,100
    Boulder
  269. 2016 Rumor Elite - 650B/27.5
    $500
    Erie
  270. Ibis mojo SL XT (L)
    $600
    Boulder
  271. Woom Off Air 5 24" Mountain Bike - Excel. Cond., 2 yrs old, Orig Owner
    $1,050
    Near Louisville
  272. Women's Schwinn Sidewinder Steel Frame Cruiser Bike
    $120
    Boulder
  273. Specialized Langster Pro 54cm
    $500
    Erie
  274. High-Power Aniioki A9 Pro Max E-Bike – Practically New (Boulder)
    $3,000
    Table Mesa
  275. 2019 S-Works Specialized Stumpjumper 29er
    $3,500
    Erie
  276. TREK 720 MultiTrack Hybrid / Comfort Bike Excellent Condition Tuned
    $280
    Louisville
  277. Mountain Bike Santa Cruz Julianna Joplin
    $3,450
    Boulder
  278. 24" Diamondback
    $75
    Lafayette
  279. 60cm Rawland Stag 650B Frame/Fork/Headset
    $500
    Lafayette
  280. Schwinn Collegiate
    $150
    Niwot
  281. Specialized Amira Comp Women Specific Carbon Road Bike 48cm (small)
    $500
    Lyons, CO
  282. DIAMONDBACK OVERRIDE BICYCLE w GRIP SHIFTS
    $125
    North Boulder Area
  283. Hardtail Mountain Bike - REI Brand
    $640
    Longmont
  284. Specialized Epic Comp Carbon
    $1,800
  285. 2003 Felt S32 - GOOD Condition
    $400
    Louisville
  286. Nakto Camel e bike
    $200
    Hygiene
  287. Trek 2021-2023 Roscoe 6 S CH-RD Mountain Bike
    $550
    Louisville
  288. Specialized Sirrus XL
    $150
  289. Awesome single speed/fixie
    $100
    SE Boulder
  290. Intense Eddie Hard Tail 29er
    $1,000
    Boulder
  291. K2 21 sp Mtn Bike full suspension dual disc brake F/R
    $320
    Arvada
  292. GT 2.0 Avalanche 24 sp medium 26 mtn bike new
    $425
    Arvada
  293. WOODEN BALANCE BIKE
    $35
    BOULDER
  294. SPECIALIZED MOUNTAIN BIKE
    $125
    BOULDER
  295. SPECIALIZED MOUNTAIN BIKE
    $125
    BOULDER
  296. Circa '76 Mizutani Super Seraph
    $650
    Longmont
  297. Khs alite 1000
    $125
    Lafayette
  298. XXL Specialized Rockhopper
    $700
    Longmont
  299. Bikes
    $50
    Longmont
  300. Two Bikes and Pump
    $200
    Boulder
  301. Vintage Diamondback Traverse -- step through (17.5")
    $300
    Boulder
  302. Raleigh Cruiser Bike
    $200
    Palo Park
  303. Stationary Bike -- NordicTrack
    $100
    Longmont
  304. Spot Rallye Belt Drive Singlespeed Gravel Bike
    $850
    Boulder
  305. 1993 GT All Terra Outpost Chromoly Steel Triple Triangle Mountain Bike
    $350
    Boulder
  306. Shogun 200 series road bike 26
    $50
    Longmont
  307. Waterford Cycles 1200 - Hand Built 10sp Road Bike - 61.5cm - Excellent
    $950
    Boulder
  308. Hard shell bike case - Tri all 3 velo sports
    $50
    Louisville
  309. Ariel Rider X-Class EBike
    $1,300
  310. 2021 Yeti SB 115 XL
    $2,950
    Lyons
  311. 2012 Specialized S-Works Tarmac Dura Ace Di2
    $3,500
    Boulder
  312. Vintage litespeed Ultimate Titanium Road Bike, Campagnolo Record
    $1,250
    Boulder
  313. 2012 Cannondale tandem bike
    $1,500
    Louisville
  314. Cruiser Bike 26
    $150
    Louisville
  315. Bianchi Brava road bike. 20.5".
    $175
    Greeley
  316. Two Trek Verve2 bikes
    $500
    Estes Park
  317. REI CO OP CTY1.1
    $395
  318. All City Macho Man Gravel/Urban Shredder
    $850
    Longmont
  319. Marin Muirwoods Bike 2018 XL
    $450
    Boulder, CO
  320. Like-New Victoria Electrorad E-bike from Germany - Only 288 Mi
    $800
  321. e-bike Blix Packa Genie
    $950
    Boulder
  322. Mtb-3 bike tool
    $50
    Boulder
  323. Bike tool
    $50
    Boulder
  324. Panasonic Villager DX Hybrid / Comfort Bike Excellent Condition Tuned
    $200
    Louisville
  325. USED - 2007 TREK PILOT 2.1 WSD
    $600
    Longmont
  326. Specialized Stumpjumper
    $400
    Longmont
  327. Pedego Adventure MOTO / 230 miles / 7 Battery Cycles
    $3,600
    NOBO
  328. Soma ES Road Bike
    $449
    Boulder
  329. NCM Moscow Plus 48V E-bike
    $1,100
    Boulder
  330. Retrospec Beaumont
    $150
    Erie
  331. Trek Road Bike
    $300
    Boulder
  332. Trek Bike Marlin 6
    $350
    Boulder
  333. Trek Lemond Tourlamet
    $325
    Boulder
  334. 14.5 inch Fame Youth Mountain Buke
    $500
    Longmont
  335. Gas bike
    $550
    Lafayette
  336. Wilde Supertramp, size Large, Shimano XT, Paul, WTB, Wolftooth
    $2,200
    Lafayette
  337. Schwinn Moab 2 Extra Small tuned ready to ride
    $125
    Boulder
  338. Jamis Satellite Sport 51 cm/medium Road Bike Tuned - Nice!
    $150
    Boulder
  339. Felt F15x Cx/Gravel Bike with Ultegra group and 2x Wheelsets for Road
    $600
    Boulder, CO
  340. Specialized Como - Ladies eBike
    $1,450
    Lafayette
  341. Blaupunkt Fiete electric Bike
    $1,000
    Boulder