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craigslist

Bicycles for sale in Boulder, CO

  1. see also

    electric bikes

    kids bikes

    mountain bikes

    road bikes

  2. Giant Sedona
    $175
    Boulder
  3. 16-Inch Specialized
    $30
    Boulder
  4. 2020 YETI TURQ SB 140
    $4,000
    Boulder
  5. BH EVO Ultralight 58cm XL Road Bike
    $1,390
    Boulder
  6. Nice bike in good condition
    $100
    Boulder
  7. 19.5" GT Nomad Fitness series bike.
    $101
    Greeley
  8. TREK 7.3 FX WSD - Woman's Hybrid / Road Bike Excellent Condition Tuned
    $400
    Louisville
  9. Giant Cadex CFR 3
    $261
    Greeley
  10. Guru Flite Bike
    $300
    Erie, CO
  11. diamond back momentum. large frame. limited free delivery
    $251
    Greeley
  12. Haro PreWheelz 12” Balance Bike
    $50
    Longmont
  13. Cleary Gecko 12” Kids’ Bike
    $280
    Longmont
  14. Cleary Hedgehog 16” Kids’ Bike
    $300
    Longmont
  15. Kids’ Salsa Timberjack 20
    $350
    Longmont
  16. XL 2015 Giant Defy Advanced Pro 1 Road Bike
    $1,750
    Erie
  17. 59cm 1997 Serotta Custom Ti - Dura Ace Spec Titanium Road Bike
    $950
    Erie
  18. 2006 Yamaha Vino Classic 49cc Scooter
    $1,800
    Erie
  19. TREK 6000 Hardtail Mountain Bike Excellent Condition Perfectly Tuned
    $300
    Louisville
  20. Trek 850 Steel Mt Bike 13.5 inches
    $140
    Lafayette
  21. Diamond Back Sorrento / Steel USA
    $180
    Lafayette
  22. Specialized Hardrock Small frame/Shimano throughout
    $180
    Lafayette
  23. Giant Steel Hybrid / 17 inch
    $140
    Lafayette
  24. Cannondale SR400 Early 90’s 58CC
    $360
    Lafayette
  25. Norco Shore downhill mountain bike
    $300
    Louisville
  26. Niner RLT 9 (New Frame/Carbon Fork)
    $1,900
    Longmont
  27. Master Spring Bike
    $200
    Boulder
  28. SCHWINN Ranger Woman's Hardtail Mountain Bike Like New Fully Serviced
    $200
    Louisville
  29. Trek Top Fuel 8 XT Small
    $2,500
    Boulder
  30. 2021 Trek Farley 9.6 Carbon Small Ridden One Time
    $2,300
    Mead
  31. Co-op Cycles REV CTY Kid's Bike from REI
    $125
    Niwot
  32. Pacific Evolution 18 Speed Front Suspension Mountain Bike
    $125
  33. Barely used Inmotion V5F EUC (electric unicycle) and protective gear
    $0
    Longmont
  34. wooden Balance bike
    $45
    BOULDER
  35. huffy kids bike
    $45
    BOULDER
  36. Strider balance bike
    $55
    BOULDER
  37. GT ZR50 Road Bike
    $200
    Boulder
  38. schwinn bike
    $75
    BOULDER
  39. freestyle kids bike
    $65
  40. Electric Cruiser Bike
    $1,250
    Boulder
  41. Specialized Diverge Expert
    $1,200
    Louisville
  42. TREK 820 Mountain Bike Like New Condition Perfectly Tuned
    $280
    Louisville
  43. DEAN STEEL HARDTAIL MTB PROTOTYPE: SIZE M/L "one of a kind"
    $2,100
    boulder
  44. NEWLY RECONDITIONED Dean 57CM QR Road El Vado: W/ Blasted/Brush Slant
    $1,600
    boulder
  45. Onyx RCR 72V electric motorbike Dirt Kit
    $4,500
    Boulder
  46. Schwinn Traveler III 10 Speed Road Bike
    $125
  47. Kelly Bedford Custom Touring/Gravel Bike - 55 cm
    $1,900
    Boulder
  48. Trek Domane 5.2 Road Bike Women's Carbon 47cm 2x10
    $850
  49. Specialized Stumpjumper EVO Pro, Carbon Custom Build (Large/S4)
    $5,000
    North Boulder
  50. Specialized Secteur 24 Speed Aluminum Road Bike
    $200
  51. Mosaic RT-2 titanium frameset
    $2,500
    Boulder
  52. Orbea Opal 57cm
    $500
    Boulder, CO
  53. Mountain Bike Rocky Mountain Reaper 26 2021
    $1,575
    Boulder
  54. Kona Makena Kids Bicycle
    $100
    Broomfield
  55. Vintage Japanese Nishiki Road Bike in Excellent Condition
    $300
    Longmont
  56. Australian "Malvern Star Sprint 1.0" - 700c Road wheels/tires
    $300
    Longmont
  57. Diamondback Vital 2 Woman's Hybrid / Comfort Bike Like New Just Tumed
    $280
    Louisville
  58. Novara Afterburner Single-Speed Trailer Bike, Tag-a-long
    $100
    Nederland
  59. Niner Air 9 RDO carbon mountain bike
    $2,500
    S. Boulder
  60. 2019 Commencal Clash Origin Full Suspension Mountain Bike - 27.5”, Large
    $1,900
    Lafayette
  61. Trek Roscoe
    $400
    BOULDER
  62. 2022 Giant Stance 29
    $1,125
    Broomfield
  63. 2023 Quintana Roo V-PR TT Triathlon Time Trial Bike Small
    $6,450
    Boulder
  64. 2018 TREK FUEL EX9.9
    $2,700
    Broomfield
  65. K2 Cheyenne Sport Hardtail Mountain Bike Excellent Cond. Just Tuned
    $300
    Louisville
  66. 2021 Giant Fathom 29 Like New
    $795
    Broomfield
  67. Trek Farley 7 2024
    $2,400
    Lafayette
  68. Specialized Rockhopper Comp 29er
    $350
    Erie
  69. Schwinn Woodlands Commuter Hybrid Bike
    $180
    South Boulder
  70. Diamondback Cobra 24 Kids Bicycle
    $150
    South Boulder
  71. Miyata SportRunner Mountain Bike
    $200
    South Boulder
  72. Vintage Atala Grand Prix Road Bicycle
    $400
    South Boulder
  73. Trek MT220 Mountain Bike - 24" Wheels - 21 Speed
    $200
    South Boulder
  74. Trek 820 Single Track Mountain Bike
    $150
    South Boulder
  75. Classic Schwinn s [ 9 five] .3 Aluminum Mountain Bike
    $175
    South Boulder
  76. Bianchi Vigorelli Bicycle Frame and Fork
    $300
    South Boulder
  77. Diamondback DBR Apex Suspension Mountain Bike
    $400
    South Boulder
  78. Steel Road Bike
    $90
    Boulder
  79. Salsa Fargo Rival 1
    $1,300
    Boulder
  80. 3-spd Electra Cruiser: The Betty
    $150
    Boulder
  81. 2022 Ventum GS1 Carbon Gravel Bike Medium 54cm
    $3,950
    Boulder
  82. Titanium Mountain Bike-Lynsky
    $2,775
  83. 2023 Trek Top Fuel 9.8 AXS-Medium
    $4,600
    Boulder
  84. TREK MT 60 Kids Hardtail Mountain Bike Excellent Condition Just Tuned
    $180
    Louisville
  85. Like New Trek Comfort bike 16 Inch Frame Very Nice
    $150
    Sprouts Market-Baseline and 30th
  86. GT Bike - Great Condition
    $175
    Louisville
  87. Specialized - Kids
    $80
    N. BOULDER
  88. Motiv Smoothie 21 Speed Dual Suspension Cruiser
    $150
  89. Redline Monocog flight Urban Slayer single speed 29er
    $400
    Longmont
  90. Women’s Brennabor Pesara City Hybrid Step-Thru 7-speed with Nexus Hub
    $235
  91. Women’s Electra Loft 7D - Small
    $150
    Longmont
  92. 2018 Santa Cruz Hightower- Carbon C- S Build
    $2,200
    Boulder
  93. TREK Mystic 20 Kids / Girls Bike Excellent Condition Fully Serviced
    $80
    Louisville
  94. SALE Specialized Hard Rock Mountain Bike Size med Hard tail shock
    $250
    Boulder
  95. Specialized Hotrock 24" Kids Youth Bike
    $150
    Boulder
  96. 2022 Pivot Firebird Large Mountain Bike
    $3,950
    Boulder
  97. Bike Project - Janic Custom Steel Frame by Steve Dorris
    $200
    Longmont
  98. Lectric XPedition Cargo eBike
    $1,200
    North Boulder
  99. KHS Alite 150 Disc Hardtail Mountain Bike Excellent Condition Tuned
    $340
    Louisville
  100. Kids Mountain Bike
    $30
    Boulder
  101. Cannondale Supersix Evo Hi-Mod Dura-Ace Di2, Size 48
    $3,700
  102. Cannondale CAAD10 Shimano 105, Size 48
    $750
  103. 2020 Riese and Muller Homage GT Rohloff HS, Belt Drive, 49 cm
    $4,500
    Boulder
  104. 1994 Bridgestone MB-1 with Rohloff
    $1,500
    Boulder
  105. Specialized Allez Road Bike
    $250
    Longmont
  106. Performance Starling 20 Kids / Girls Hardtail Mountain Bike Just Tuned
    $180
    Louisville
  107. BIANCHI BRAVA
    $350
    South Boulder
  108. Trek Navigator 1.0 Womens XS (13") Step-Thru
    $145
  109. Specialized Secteur 24 Speed Aluminum Road Bike
    $200
  110. LARGE 2019 Yeti SB150 TURQ Carbon XO1 Factory Build 29er
    $3,350
    Boulder
  111. Extra Large 2022 Yeti SB150 TURQ (LIKE-NEW)
    $3,800
    SOUTH BOULDER
  112. 2013 Cervelo P2 Triathlon Bike with Powertap Power Meter - 48cm
    $1,000
    Louisville
  113. R&M Load 75 Vario HS
    $8,500
    Boulder
  114. Bicycle Gary Fisher Trek G2
    $170
    Nederland
  115. Motiv Vortex 24 Speed Dual Suspension Mountain Bike
    $150
  116. Vintage Kyoto Commuter III 3 Speed
    $100
  117. Canyon Neuron CF 8
    $2,800
    Erie
  118. Moots Vamoots 58cm Road Bike
    $2,499
    Boulder
  119. Trek Navigator 2.0 Women's Step-Thru Hardtail Mountain Bike Medium
    $175
  120. 2024 Specialized Levo SL Expert Gen 2, Lyrik Ultimate, Carbon Roval
    $7,850
    Boulder
  121. SCHWINN MESA GS Hardtail Mountain Bike Excellent Condition Just Tuned
    $280
    Louisville
  122. Trek 7000 Hardtail Mountain Bike 18in Med 21-speed
    $350
  123. 26" Electra Hawaii bike
    $175
    Broomfield
  124. Specialized S-Works Shiv Disc Small
    $7,250
    Boulder
  125. TREK 3700 Hardtail Mountain Bike Excellent Condition Fully Serviced
    $280
    Louisville
  126. Specialized Tricross + Studded Tires
    $495
    Leyden Rock
  127. New Bike Selling ASAP
    $650
    Boulder
  128. Specialized Hotrock Hardtail Mountain Bike
    $250
    Boulder
  129. Trek 4300 / Kids Mountain Bike 26"
    $325
    Boulder
  130. Trek 8000 / Kids Mountain Bike 26"
    $250
    Boulder
  131. Trek Mountain Track City Commuter Bike
    $200
    Boulder
  132. Trek 820 Hybrid Commuter Bike
    $225
    Boulder
  133. Schwinn Moab 24 Speed Mountain Bike
    $250
    Boulder
  134. Trek 3500 Mountain Bike
    $250
    North Boulder
  135. Trek 4500 Women's Hardtail Mountain Bike
    $275
    Boulder
  136. Trek 3200 - Excellent Condition
    $250
    Boulder
  137. BMC Full Suspension Mountain Bike- Hydraulic Disc Brakes - Size S/M
    $450
    Boulder
  138. Kids Scott Orange Mountain Bike - 24" Wheels - Mint Condition
    $200
    Boulder
  139. Kids Specialized Hotrock (Blue) Mountain Bike - 24" Wheels
    $200
    Boulder
  140. Small / Medium Specialized Mountain Bikes x 4 - Tuned Up
    $250
    Boulder
  141. Kids / Boys Specialized Hotrock (Green) Mountain Bike - 24" Wheels
    $200
    Boulder
  142. Schwinn Road Racing Bike - Carbon Fork - 5'-5'5 Riders
    $250
    Boulder
  143. Classic Cannondale (Blue) Road Racing Bike - 5'11-6'5 Riders
    $250
    Boulder
  144. Women's Specialized Myka Full Suspension Mountain Bike - 5'-5'6 Riders
    $500
    Boulder
  145. Specialized Comp Kids Mountain Bike - 26" Wheels
    $250
    Boulder
  146. Women's Giant Road Racing Bike - Ultegra Components - 4'11-5'4 Riders
    $300
    Boulder
  147. Classic Trek 450 Road Racing Bike - 5'-5'4 Riders
    $199
    Boulder
  148. CO-OP Hardtail Mountain Bike - Disc Brakes - 27.5" Wheels - Size S
    $300
    Boulder
  149. Trek FX 7.1 Fast Hybrid
    $250
    Boulder
  150. Yeti SB130 Lunch Ride Medium
    $3,250
    North Boulder
  151. 2018 Specialized Camber 27.5 size medium
    $1,100
    Longmont
  152. Specialized Rockhopper Elite 29 MD Gloss Redwood / Spruce
    $750
    BOULDER
  153. 1950s 26" Schwinn Wasp for parts
    $65
    Boulder
  154. Parlee Chebacco Gravel/Cyclocross
    $2,000
    Boulder/Gunbarrel
  155. 2021 Trek Domane+LT 56cm
    $2,500
    Boulder
  156. Focus Raven 29er carbon L
    $600
    Longmont
  157. Raleigh Talus 26 Mountain Bike Like New Condition Perfectly Tuned
    $260
    Louisville
  158. Trek Navigator 3.0 Women's Hardtail Mountain Bike Medium (16.5")
    $175
  159. YT Capra Medium/Large Carbon Trail Mountain Bike
    $2,350
    Boulder
  160. SOLE Spin Bikes
    $500
    Frederick, Colorado
  161. Stages SB20 Smart Training Bike
    $1,895
    Lyons
  162. Trek Commuter Hybrid Small XS Bike
    $295
    Boulder
  163. 2021 (but new) Specialized Stumpjumper size S1
    $3,199
  164. 2013 Trek Madone 5.2 58cm
    $800
    Boulder
  165. PRICE DROP: Freego Shotgun F4 Cargo Electric Mountain Bike
    $1,250
  166. Cannondale M400 CAD2 Mountain Bike USA Blue Retro
    $550
    Boulder
  167. Specialized S-Works Shiv Disc Small Triathlon Bike
    $6,950
    Boulder
  168. Surly Karate Monkey
    $1,200
    Boulder
  169. GT Outpost Trail Mountain Bike Excellent Condition Perfectly Tuned
    $240
    Louisville
  170. $2,500 Quintana Roo Tequilo TT Triathlon Race Bike - 55 cm
    $750
    Longmont
  171. 2019 Specialized S Works Tarmac SL6
    $6,000
  172. TREK MultiTrack 720 Hybrid / Comfort Bike Excellent Condition Tuned
    $280
    Louisville
  173. Reeb Sam’s Pants Gravel Bike
    $3,250
    Erie
  174. Schwinn Runabout
    $70
    Longmont
  175. Tumbleweed Stargazer Ti ++
    $2,800
  176. 2002 Greg Lemond Zurich 853 Pro Steel Racing Bike
    $825
    Longmont
  177. Specialized Hardrock Sport Mountain Bike
    $375
    South Boulder
  178. Trek 7500 Multitrack 24 Speed Alpha SA Aluminum Hybrid Bike
    $350
    South Boulder
  179. Mustang Passion Champs Elysees Aluminum Urban Bicycle - European Made
    $150
    South Boulder
  180. Diamondback Outlook Mountain Bike
    $150
    South Boulder
  181. Electra coaster 7 cruiser
    $200
  182. Specialized S-Works Tarmac SL4 58cm XL Road Bike
    $1,790
    Boulder
  183. Fat tire in Radrover
    $750
    SW Longmont
  184. Boulder Bicycles Dual Susp Tandem
    $750
    Aurora
  185. Specialized hot rock 24
    $165
    Gunbarrel
  186. Specialized hot rock 16 with coaster and hand brakes
    $125
    Gunbarrel
  187. Devinci Newton S with integrated lights L (but fits like M)
    $385
    Gunbarrel
  188. 2022 Pivot Mach 4 SL Large XC Trail Mountain Bike
    $3,650
    Boulder
  189. GIANT MTX 225 Kids Mountain Bike Good Condition Fully Serviced
    $180
    Louisville
  190. Catrike Road
    $1,450
    Louisville
  191. Specialized Rockhopper
    $200
    Longmont
  192. 1970's Trek Road Bike - Good Condition
    $200
    Downtown Boulder
  193. Street Rambler Elliptical Bike
    $200
    Longmont
  194. Folding Bike - Dahon Speed Trio (Uno with 3 speed upgrade)
    $325
    Fort Collins
  195. 2016 BMC TimeMachine TM01 Di2 M-Long
    $2,800
  196. Nice Scott road bike
    $450
  197. Gilmour Hand-built Tandem Bicycle - Excellent Condition
    $650
    North Boulder
  198. Rare Maverick Durance Mountain Bike - Med Frame 26” tires
    $520
    Boulder
  199. Mondonico road bike
    $550
    LONGMONT
  200. Custom Cruiser Green 3-Speed Internal hub 18 inch
    $325
  201. Huffy 20” cruiser
    $75
  202. SCAM ALERT - Schwinn Moab 24 Speed Mountain Bike - $250
    $0
    Boulder
  203. Women's Trek (Turquoise) Step Through Comfortable Hybrid
    $200
    Boulder
  204. Scott (Carbon) Full Suspension Mountain Bike - Disc Brakes - Size S/M
    $575
    Boulder
  205. 29er Trek Hardtail Mountain Bike - Disc Brakes - Size XS
    $300
    Boulder
  206. Trek Fuel Full Suspension Mountain Bike -Disc Brakes-5'3-5'7 Riders
    $399
    Boulder
  207. Women's Trek (Purple) Step Through Comfortable & Upright Hybrid
    $200
    Boulder
  208. Scott Road Racing Bike - 5'9-6' Riders
    $325
    Boulder
  209. Motobecane Road / Cyclocross Bike - 5'6-5'10 Riders
    $300
    Boulder
  210. Women's Giant Turquoise Road Racing Bike - 4'8-5'2 Riders
    $300
    Boulder
  211. Cannondale Full Suspension Mountain Bike-Disc Brakes-5'6-5'11 Riders
    $450
    Boulder
  212. Trek 1200 Road Racing Bike - 5'2-5'6 Riders
    $275
    Boulder
  213. Santa Cruz Downhill Full Suspension Mountain Bike-Dropper Seatpost
    $550
    Boulder
  214. Terry Road Racing Bike - 5'2-5'7 Riders
    $250
    Boulder
  215. Women's Bianchi Road / Cyclocross Racing Bike -5'-5'4 Riders
    $300
    Boulder
  216. Specialized Hardtail Mountain Bike - Disc Brakes- 4'6-5' Riders
    $275
    Boulder
  217. Specialized Elite (Black) Full Suspension Mountain Bike - Size S/M
    $500
    Boulder
  218. Trek 2300 Road Racing Bike - Ultegra Components - 5'2-5'7 Riders
    $300
    Boulder
  219. Women's Specialized Comp Road Racing Bike - 4'10-5'3 Riders
    $300
    Boulder
  220. Santa Cruz Hightower XL w/ New 2023 Fox Factory
    $3,950
    Boulder
  221. 2023 Trek Domane SL 7 AXS Gen 4 - 54 cm Carbon, Electronic Shifting, EXCELLENT!
    $4,600
    Silverthorne
  222. Raleigh Alysa 1 Woman's Hybrid / Gravel Bike Excellent Condition Tuned
    $280
    Louisville
  223. Trek Fuel EX 9.9 Carbon Mountain Bike Large
    $3,250
    Boulder
  224. Vintage Elgin 1945, Skiptooth, step thru bicycle
    $125
    Longmont
  225. Carbon FRAMED/TREK FAT BIKE
    $2,900
    Wheat Ridge
  226. Life Fitness Lifecycle GX Indoor Cycle
    $900
  227. Scott Aspect Hardtail
    $250
  228. Santa Cruz Stigmata CC Force AXS X01 Eagle 52cm
    $3,950
  229. Spot Rocker Steel w/ New Pike Ult & I9 Wheels, XX1, AXS, XTR, Carbon!
    $3,400
    Lakewood/Golden
  230. Spot Rocker Carbon SS - Carbon Wheels, Cranks, Bars & More!
    $3,499
    Lakewood/Golden
  231. Trek 5200 men's carbon frame road bike
    $380
    East Boulder
  232. Norco Torrent S1 XL
    $1,300
    Louisville
  233. 2022 Yeti SB165 T1 X-Large
    $2,950
    Boulder
  234. Specialized S-Works Tarmac SL4 Large Road Bike
    $2,250
    Boulder
  235. GT Bullet Kids Mountain Bike Excellent Condition Fully Serviced
    $180
    Louisville
  236. Diamondback Mountain Bike
    $250
    South Boulder
  237. 24" Aluminum Youth Mountain Bike
    $75
    Louisville
  238. Schwinn Homegrown w extra fork, size Large
    $400
    Boulder
  239. Superb condition 1960's British Hercules 3 Speed townie
    $180
    Longmont
  240. Trek 1000 SL WSD Road Bike
    $175
    Louisville
  241. Specialized Hardrock Sport Mountain Bike
    $375
    South Boulder
  242. Trek Singletrack 800 Women's Mountain Bike
    $200
    South Boulder
  243. Cult Devotion 29" BMX Bike
    $325
    Lafayette
  244. BMW Bicycle
    $350
    Boulder
  245. single speed street 540mm plus access
    $125
    Boulder
  246. Custom Built Fixed Gear Surly Steamroller
    $600
    Boulder
  247. 2021 Black Specialized Hot Rock24
    $250
    Superior
  248. Wahoo Kickr Bike
    $1,750
    Boulder
  249. Olmo bicycle frame 54cm
    $100
    North Boulder
  250. LG Kelly 29er single speed
    $1,000
    Nederland
  251. KHS MTB 17.5 Inch
    $220
    Lafayette
  252. 14" XS Giant Boulder SE mountain bike
    $100
    Boulder
  253. Surly Straggler size 42
    $1,300
    Sobo
  254. REI silver child bike
    $160
    Niwot, Co
  255. Specialized Alias Women's Small 51cm Aero Road Bike
    $995
    Boulder
  256. 2023 Santa Cruz Blur GX AXS: Size LG
    $4,750
    Boulder
  257. Trek Fuel EX 7
    $2,700
    BOULDER
  258. Larry vs Harry Bullitt
    $2,000
    Longmont
  259. Iron Horse Warrior
    $275
    Lafayette
  260. Specialized Roubaix Carbon 56cm Large Road Bike
    $1,790
    Boulder
  261. Ride1UP Turris Ebike
    $900
    Boulder
  262. Giant Road Racing Bike - 5'8-6' Riders
    $300
    Boulder
  263. Trek 3900 / Kids Mountain Bike 26"
    $225
    Boulder
  264. Women's Trek Lexa Road Racing Bike -5'2-5'6 Riders
    $300
    Boulder
  265. 2022 Devinci Kobain xo1 29er $2700 invested
    $1,100
    Boulder
  266. On-One: Trail/Gravel/Snow/Commuter 26" Mountain bike
    $500
    Boulder
  267. Rad Power Bike Step Thru
    $1,500
    Boulder
  268. 54cm Medium Fast Full Carbon Racing Road Bike
    $900
    boulder
  269. Vintage Cannondale F500 CAD2
    $0
  270. Specialized Crux cyclocross/gravel bike - 49cm
    $900
    Boulder
  271. Columbia klunker
    $550
    Louisville
  272. 24" Diamondback Haanjo Trail/gravel/CX cyclocross Bike
    $400
    Louisville
  273. Bacchetta Giro Recumbent Small
    $250
    Boulder
  274. Diamondback insight 2
    $200
    Gunbarrel
  275. Douglas Titanium Medium 54cm Road Bike
    $995
    Boulder
  276. E Bicycle Full Suspension Folding 750 Watt Electric eBike 48 Volt
    $1,095
    NORTH PHOENIX
  277. Specialized (Black)- Disc Brakes - 29" Wheels- 4'6-5'2 Riders
    $300
    Boulder
  278. Gorgeous Surly Mukluk Salsa Fat Tire / Large Frame 29”rims 9speed
    $1,500
    Boulder
  279. Vilano R2 Commuter Bike
    $250
    Boulder
  280. Trek 3700 mtn bike
    $300
    Boulder
  281. Folding Electric Bike
    $700
    Broomfield
  282. 2021 salsa horsethief slx mountain bike size large
    $3,000
    Boulder
  283. Scott Contessa Solace 15 - XXS (46)
    $600
  284. 2018 56 cm Cervelo C3 Road Bike
    $1,825
    South Boulder
  285. Beautiful Trek Verve 3 Electric Bike
    $2,750
    Boulder
  286. Cervelo R3 Carbon Disc Road Bike 51cm Small
    $3,390
    Boulder
  287. Custom Orlowski Sport Tourer Cantilever Frameset, Fillet Brazed 59cm
    $1,100
    Lafayette
  288. ~58cm Lugged DeSalvo Sport Tourer Frame/Fork with Paul Racer Brakes
    $1,000
    Lafayette
  289. 61cm Velo Orange Randonneur Prototype (Frame/Fork/HS)
    $400
    Lafayette
  290. Mongoose XR250 Mountaint Bike
    $100
    Bouler
  291. Santana Tandem with full Campagnolo groupset (size Large)
    $950
    Boulder
  292. YETI ARCc. XTR/XT build
    $1,899
    Boulder
  293. Sears Bike classic
    $45
  294. Centurion classic road bike
    $100
  295. 24" Boy's Trek
    $220
    Erie, CO
  296. 2023 Trek Supercaliber 9.9 XTR XL
    $5,700
    Boulder
  297. 2019 Pivot Switchblade Pro XL Full-Carbon Enduro MTB
    $2,650
    Boulder
  298. Schwinn Mountain bike
    $70
    Boulder
  299. 2021 Firebird - Small- great condition
    $4,000
    Boulder
  300. Yeti sb55 XL - excellent condition
    $3,200
    Boulder
  301. 2012 formula bmx cruiser
    $200
    Longmont
  302. 2023 grand canyon 5
    $1,000
    Longmont
  303. Cannondale Scalpel Si Size Small
    $2,000
    Boulder
  304. Mountain Bike for kids
    $50
    Erie
  305. 2022 Specialized Stumpjumper Evo Expert
    $3,800
  306. Trek 2011 Superfly 100 29 Elite SL for sale
    $1,500
    North Boulder
  307. 6 Bike Bicycle Parking Rack
    $200
    Longmont
  308. Trek MT220 kids mountain bike
    $60
  309. Miyata Hybrid Bicycle
    $225
    Boulder
  310. Small/Medium Trek 930 Rear Rack
    $200
    Boulder
  311. Quality Secondhand Bikes For Sale -- Restored to Like New Condition!
    $200
    Boulder
  312. Schwinn Super Sport Classic Road Racing Bike - 5'7-5'11 Riders
    $225
    Boulder
  313. REI Novara Afterburner Tag-a-long Bike
    $75
    Longmont
  314. Canfield Bros. yelliscreamy large frame 29er MTB
    $1,000
    Boulder
  315. Trek FX 7.4
    $310
    Boulder
  316. TREK 1000C Road Bike Excellent Condition Fully Serviced
    $480
    Louisville
  317. Cannondale Habit Carbon SE (2017)
    $2,249
    Boulder
  318. AVENTON PACE 350
    $1,400
    LONGMONT
  319. Cannondale bicycle
    $300
  320. Kids 20" Cannondale Trail Bike, 7 Gears, Shocks, Lightweight
    $295
    LOUISVILLE
  321. Specialized Riprock kids bike
    $220
  322. Bombtrack Arise Tour - Large
    $1,400
    Boulder
  323. OPEN WI.DE Gravel Frame
    $2,800
  324. 1994 Specialized Rock Hopper FS - 15"
    $125
    Downtown Boulder
  325. Cervélo RS Rival T3 Size XS 51cm frame
    $1,000
    North Boulder
  326. Kent La Jolla Aluminum cruiser
    $61
    Greeley
  327. Aventon Soltera Step Thru "like new" was $1600 new
    $900
    boulder
  328. Giant kids bike tandem trailer
    $75
  329. Trek Roscoe 9 size M/L
    $1,700
    North Boulder
  330. Bionic Runner/Bicycle
    $425
    Boulder
  331. Specialized Diverge Expert Carbon 58cm Gravel bike
    $3,500
    Erie