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Bicycle Parts For Sale in Boulder, CO

  1. see also
  2. Campagnolo Chorus 10spd group set
    $400
    Boulder
  3. Capo fleece long sleeve cycling jersey
    $15
  4. Capo windproof winter cycling jacket
    $20
  5. Vintage 1992 Giant Bike Expandable Accessory Bag
    $8
    Longmont
  6. Vintage USA Concord Bicycle Replacement Tube, Unused - 26 x 1.5
    $3
    Longmont
  7. 1993 Vintage Blackburn Bicycle Rack Strap
    $8
    Longmont
  8. Women's Giro Reva Mountain bike shoes - EU 39 - LIKE NEW
    $50
    Longmont
  9. Yakima 4 Bike rack 2" hitch complete
    $80
  10. Wahoo Fitness KICKR CLIMB Bike Trainer
    $500
  11. Yakima 2-Bike Hitch Rack for 2” Hitch Receiver
    $140
    Louisville
  12. Specialized S-Works Recon mtb shoes size 8 US 41 Euro
    $200
    East Boulder
  13. Shimano XTR MTB M9000 Polymer-Coated Derailleur Cable Set
    $40
    Niwot
  14. NEW Slime Self-Sealing Bike/Bicycle 29" Inner Tube Schrader Valve
    $5
    Niwot
  15. CrankBrothers Highline 7 Dropper Post, 100mm, 31.6 Dropper Seatpost
    $40
    Boulder
  16. Carbon fiber race rim 29"
    $40
    Boulder
  17. Gravel wheelset
    $150
    Lafayette
  18. Tesla Bike Rack
    $350
    Superior
  19. Vintage 80s Guerciotti Sprint Red Frame Fork CAMPAGNOLO Etc. 56cm
    $75
    Metro Denver
  20. Fatbike Carbon Wheelset 80mm Carbon
    $600
    Longmont
  21. Manitou Machete 29+ 120mm travel
    $100
    Longmont
  22. 2023 Fox Transfer SL 31.6 new in box
    $200
    Longmont
  23. NEW with tag! Pearl Izumi Elite Women's Drop Tail Cycling Bibs - SMALL
    $80
    Longmont
  24. Shimano Di2 Remote Climbing Shifter
    $40
    Boulder - Longmont - Denver
  25. LOOK A-Stem
    $85
    Boulder - Longmont - Denver
  26. Shimano Ultegra Rear Derailleur 11 Speed
    $35
    Boulder
  27. Deda Zero100 Team Stem- NEW!
    $55
    Boulder
  28. E-Bike Loading RAMP + License Plate Relocation Bracket
    $80
    Longmont
  29. Simonetti Aero Aluminum Bike Frame
    $150
    Longmont
  30. NEW! $130 (2) Bike Cover for Bike Rack
    $90
    SW Longmont
  31. Pearl Izumi Cycling Shoes - sz 45.5
    $30
    Longmont
  32. Louis Garneau Ergo Air Carbon Cycling Shoes - size EU 42
    $60
    Longmont
  33. Nashbar Angliru Road Bike Pedals (Black)
    $20
    Boulder
  34. Adjustable BV Bike Kickstand
    $12
    South Boulder
  35. New in Box: RaceInc Pro XL BMX Frame Black Matte
    $499
    Boulder
  36. Thule - Helium
    $100
  37. Look KEO Clipless Road Bike Pedals Black, Carbon
    $15
    Erie
  38. Look KEO Clipless Road Bike Pedals Black, Carbon
    $15
    Erie
  39. Shimano PD-R540 SPD-SL Clipless Road Bike Pedals Black
    $15
    Erie
  40. CycleOps Bicycle Indoor Trainer
    $25
    Longmont
  41. ITM Aluminum Road Bike Drop Bar Handlebar
    $40
    Boulder
  42. MKS Sylvan touring pedals
    $20
    Longmont
  43. NEW! Commuting Backpack with Helmet Pocket
    $40
    Longmont
  44. Yakima TubeTop Bicycle Frame Adapter
    $30
    South Boulder
  45. Yakima Double Down 4 Hitch-Mounted Bicycle Rack
    $120
    South Boulder
  46. E-Bike Battery, Downtube Mount and Charger 🚲
    $50
    South Boulder
  47. Shimano Altus FC-M371 Crankset
    $30
    South Boulder
  48. Shimano Altus SLM2010 Shifter + FDM370 Derailleur
    $20
    South Boulder
  49. Gudereit LC 75 Bicycle Frame with Suntour Suspension Fork
    $80
    South Boulder
  50. Shimano CX75 / Carbon-Laminate 700c Disc Wheelset – Tubular (Glue-On)
    $250
    South Boulder
  51. MTB Wheels Alexrims Racers Edge Adventurer + Bontrager
    $100
    South Boulder
  52. Topeak Super Tourist DX Disc Cargo Rack
    $40
    South Boulder
  53. Topeak MTX BeamRack Seatpost-mounted Cargo Rack
    $40
    South Boulder
  54. Thule Chariot Cougar 1 Trailer Stroller
    $40
    South Boulder
  55. Look Delta Bi-Matière road bike pedal cleats
    $20
    South Boulder
  56. Trek Y-11 Carbon Fiber Bike Frame
    $80
    South Boulder
  57. Iberia Pak Rak Quick Release Trunk Bag and Rack Combo
    $50
    South Boulder
  58. Velocity Blunt 35 Bicycle Rim 27.5
    $200
    South Boulder
  59. Vintage Blackburn Bicycle Rear Cargo Rack
    $30
    South Boulder
  60. Performance Hitch Mount Bicycle Carrier
    $70
    South Boulder
  61. Axiom Pet Basket with Rack and Handlebar Mounts
    $60
    South Boulder
  62. Giant GX28 rim and Giant Crosscut tire
    $100
    South Boulder
  63. Shimano Deore XT Rear Hub
    $30
    South Boulder
  64. Bontrager Select Bicycle Rim - 26"
    $40
    South Boulder
  65. Topeak Alien II 31-function bicycle multi-tool
    $50
    South Boulder
  66. Specialized Globe Pannier Adapters - Front
    $50
    South Boulder
  67. Trek Bontrager Interchange Removable Rear Basket
    $30
    South Boulder
  68. Saris Bones 2 Bike Trunk Rack
    $70
    South Boulder
  69. Nantucket Bike Basket
    $30
    South Boulder
  70. Thule 822 Bed Rider Truck Bike Mount Aluminium
    $60
    South Boulder
  71. Lemond Revmaster Pro Seat Post
    $10
    South Boulder
  72. Yakima Track Rail Bicycle Tray Carrier for Rooftop Racks 🚴
    $50
    South Boulder
  73. TYMO hair straightener comb **NEW
    $40
    Broomfield
  74. Bike Anti Theft Alarm *NEW
    $10
    Louisville
  75. Travel Trac Fluid+ Bicycle Trainer with Remote & Front Wheel Stand
    $120
    Louisville
  76. Yakima 2-Bike Hitch Rack for 1-1/4” Hitch Receiver Like New Condition
    $160
    Louisville
  77. Park Tool Double-Sided Repair Stand & Base
    $150
    Boulder
  78. Women's 'Specialized' Adjustable Bike Helmet
    $25
    SW Longmont
  79. NEW! Osprey Berm 12L Biking Backpack
    $90
    Longmont
  80. Racermate CompuTrainer Pro - Bike Trainer System
    $300
    Longmont
  81. New! 26" Street Tires
    $30
    Longmont
  82. Rock Shox Reba RL 120mm 29" Boost
    $180
    North Boulder
  83. Bontrager Speed Brake Set Unused
    $120
    Lafayette
  84. Race light stem white perfect
    $75
    Lafayette
  85. Durace crankset 172.5 Single ring with BB
    $80
    Lafayette
  86. 105 3x10 Shifters work perfectly small scratches
    $100
    Lafayette
  87. Ultegra hub/ Mavic wheels 10 Speed 130/100 excellent.
    $180
    Lafayette
  88. NEW! BOA Cycling Shoes with cleats and shoe covers
    $75
    Longmont
  89. Bike Project: Steel Bike Frame with parts
    $20
    Longmont
  90. Biking Clothes - Men's S,M,L
    $0
    Longmont
  91. Specialized 29x2.0 Tubeless Ready Tire
    $30
    Longmont
  92. Bicycle Rack
    $100
    Lafayette
  93. 29" alluminum front rim
    $20
    Boulder
  94. TriRig carbon mini open back arm cups for aero bars
    $36
    East Longmont
  95. HighPOWER Li-Ion Battery Charger Model HP8204L2 Input 115/230VAC 60/50
    $60
    Boulder
  96. Bontrager GR Elite Isozone Gravel Handlebars 31.8mm 42cm New
    $40
    Boulder
  97. Yakima 2-Bike Hitch Rack for 2” Hitch Receiver
    $120
    Louisville
  98. Bike Rack Front Wheel Mount * Yakama New
    $29
  99. Headset Cane Creek1 1/8 / Titanium preload assembly
    $50
  100. Cane Creek Headset 11/8 NEW
    $40
  101. Shimano Deore 9 Speed Shifter and Derailluer
    $25
  102. Bontrager Tire Hard case light 700x25
    $25
  103. TRP TRI Bike Brake Caliper Rear
    $40
  104. Mountain Bike Stem/Raceface
    $60
  105. Forks 1 , 11/8 forks threaded.
    $40
  106. Easton Monkey Bar
    $40
  107. Continental Home Trainer Tires 700c x2
    $25
  108. FSA 44 Tooth chain ring. 104 BCD
    $40
  109. Original Schwinn Grips
    $30
  110. Yakima Roof Top Bike Carriers / price is for both
    $140
  111. Sport Rack Down Tube Adaptor
    $25
  112. Syntace Vector Carbon Bars MTB.
    $60
  113. Bike racks x2
    $20
  114. Track Forks from the 50’s 1 inch.
    $60
  115. Schwinn Approved 1970’s Generator Lights /Germany
    $30
  116. Odyssey BMX Stem TDFL 45 degrees UNUSED
    $50
    Lafayette
  117. Assos Mercedes AMG Petronas Full-length Sleeve Jersey (White) - Small
    $25
    Boulder
  118. Giro Mountain Bike Helmet
    $15
    Boulder
  119. Bike Light - LED headlight and rear light
    $15
    Boulder
  120. GORE Bike Wear Gore-Tex Shoe Covers
    $50
    Longmont
  121. NEW Mt Bike Tire - 26" x 1.90"
    $20
    Longmont
  122. Ceiling Bicycle hangars
    $10
    longmont
  123. 1up Rakattach
    $480
  124. Used Trex black bicycle saddle seat
    $5
    Longmont
  125. NEW! Cycling Shoes with BOA with cleats and shoe covers
    $75
    Longmont
  126. (2) NEW IN BOX! Yakima LockJaw Rooftop Bike Trays
    $100
    Longmont
  127. $200 Rudy Project Airstorm Cycling Helmet
    $75
    SW Longmont
  128. Cycle Ops (CycleOps) bicycle trainer
    $40
    Wheat Ridge
  129. Rare Mavic Ksyrium SL Tour de France Centenary Edition Front Wheel - 700c
    $80
    Niwot
  130. 4 Bike/MultiSport Helmets
    $50
    Longmont
  131. Bike Shoes - Men's/Women's
    $40
    Longmont
  132. Performance Bike Box / Cargo Case
    $75
    Louisville
  133. NEW! Mountain Bike Shoes, SPD - EU 40
    $30
    Longmont
  134. NEW Mountain Bike Shoes - size EUR 41
    $40
    Longmont
  135. Wrench set
    $6
  136. Locking Bicycle Hamdlebar Grips
    $15
  137. Bike Rack Tray Car Mount
    $29
  138. Bike Rack Front Wheel Mount * Yakima New
    $29
  139. Bike Car Rack RockyMounts Tray
    $29
  140. Bontrager Carbon Cycling Shoes with eSoles - sz 45
    $75
    Longmont
  141. Dero Fixit Repair Station NEW
    $400
    Longmont
  142. Alugear 44t oval 107bcd 1-by chainring
    $15
    Boulder
  143. Eggbeater 3 pedals, NEW cleats, refresh kit
    $80
    Boulder
  144. New Shimano WR 62L Dynalast Carbon Cycling Shoes-Size 38
    $50
    Louisville, CO
  145. New 27.5x2.1 gravel tires
    $40
    Lafayette
  146. E-Bike Electric Motor Adapter Kit
    $395
    Lafayette
  147. 2 fork mount bike holders
    $20
    Longmont
  148. Bicycle Basket
    $15
    Longmont
  149. Rack for seat post.
    $20
    Longmont
  150. Fox, TLD SS Jerseys (3) Men's Size L
    $80
    Boulder
  151. New Knog Oi Bike Bell
    $12
    Boulder
  152. Float Float X/DPX2 (1/2" shaft) Volume Tuning Kit
    $10
    Boulder
  153. Kuat NV2.0 Bike Rack Extension
    $450
  154. Banjo Brothers Bicycle Rack Top Bag very good condition
    $20
    Boulder
  155. Planet Bike Mini Versair Pump
    $15
    Boulder
  156. Silca Tattico Mini Pump
    $30
    Boulder
  157. Shimano Ultegra HG800 11 speed cassette 11x34
    $50
    Boulder
  158. Shimano HG-700 11 speed cassette 11x34 mint condition
    $30
    Boulder
  159. Whisky Parts No. 7 Carbon Seatpost 30.9 x 400mm straight
    $65
    Boulder
  160. Redshift Sports ShockStop PRO Suspension Handlebar Stem 90mm +/- 6 deg
    $150
    Boulder
  161. Quality Wheels RS505/DT R500 Disc Rear Wheel (700c) (12 x 142mm)
    $80
    Boulder
  162. Thule Wheel On wheel carrier
    $35
    Erie
  163. Yakima hitch mount hanging bike rack with integrated cable lock
    $100
    Superior
  164. Burley Solo 1 Child Bike Trailer
    $80
    Boulder
  165. Brand new Pace Road shoes (44)
    $75
    Boulder
  166. MAXXIS Rekon 27.5x2.6 mountain bike tires
    $10
    Longmont
  167. 6KU Track Wheel Set
    $30
    Lafayette
  168. SR Suntour XCR34 29" Fork
    $50
    Lafayette
  169. Bicycle Hangers - 3x Wall Mount Hangers
    $25
    Louisville
  170. Terreno Mix G2.0 TNT Tubeless Tire - 700C x 35mm
    $45
    longmont
  171. Calfee carbon fiber disc road fork
    $60
    Boulder
  172. WTB SL8 saddle/Medium/Titanium rail
    $50
    Erie
  173. Shimano GRX shifter/caliper F&R 2X11
    $200
    Erie
  174. North Shore 6 Bike Hitch Rack
    $600
    Longmont
  175. Rocky Mounts Step Thru Frame Brace
    $15
  176. Soma Wolverine v4.1 50cm Frame
    $850
    Hygiene
  177. Bike storage floor stand
    $10
    Boulder
  178. Carbon 650b wheelset: LB rims + i9 hubs + Sapim spokes
    $500
    Boulder
  179. XCadey chainrings, 50/34t, 110 BCD, 5 bolts
    $20
    Boulder
  180. Topeak Tri-cage Carbon (for under saddle) (x2)
    $30
    Boulder
  181. Specialized S Works Carbon 175mm 52/36 11-speed BB30 crankset
    $120
  182. Road Bike stems and Mountain Bike Stems
    $10
    Louisville
  183. RST Dirt Jump Fork 26"
    $20
    Louisville
  184. Seatposts and Road Handlebars
    $10
    Louisville
  185. Brake parts
    $15
    Louisville
  186. Road saddles and Mountain bike saddles
    $10
    Louisville
  187. Shimano hydraulic Di2 11 speed electronic shifter set
    $200
    Louisville
  188. Yeti Carbon 740mm bars 31.8 clamp
    $50
    Louisville
  189. Redshift Shockstop Suspension stem 110mm, 31.8 new in box
    $120
    Louisville
  190. Bike Cargo Trailer
    $80
    Boulder
  191. saddle bags basket
    $40
    Longmont
  192. Yakima Freeloader
    $80
    Erie
  193. Thule rear bike rack for three bikes
    $50
    Boulder
  194. work stand
    $140
    Longmont
  195. womans Specialized Road bike shoes, new
    $40
    south boulder
  196. Sidi Alba 2 road cycling shoes EU 47 / US 13.5
    $50
    Longmont
  197. MTB bike helmet - Smith Convoy - size large - brand new
    $50
  198. Feedback Sprint Repair Stand
    $120
    Boulder
  199. Road bike wheelset (wheels, tires, rear cassette)
    $125
    Boulder
  200. FOX Transfer Factory Dropper Seatpost 175mm x 30.9
    $100
    Boulder
  201. KS Cruxi CRUXi Dropper Seatpost 100mm travel x 31.6 diam
    $70
    Boulder
  202. Rock Shox Reverb dropper seat post 100mm x 31.6 - needs some work
    $50
    Boulder
  203. Shimano ME4 Trail SPD Shoes EU39
    $50
    Boulder
  204. Kids MTB gear lot everything you need - shoes,shirts, gloves pand pads
    $25
    Boulder
  205. Ibis Blackbird Send MX Mullet Wheelset
    $500
    longmont
  206. BikeYoke Revive Max 160mm 34.9mm
    $280
    longmont
  207. 2022 Performance Elite Series 34 FLOAT 29 140mm FIT4
    $400
    longmont
  208. New Lectric E-Bike Large Basket
    $40
  209. 2026 New Schwalbe DH/enduro tires
    $180
  210. Mavic 700c road bike carbon fiber front wheel
    $60
    Boulder
  211. 26x2.35 City Tires Used
    $18
    S Boulder
  212. ENVE SES 3.4 AR Disc Wheels NIB
    $1,800
    S Boulder
  213. 3T Stem 120mm
    $24
    S Boulder
  214. Selle Italia Flite Saddle - Giro d'Italia Special Edition- NIB
    $95
    S Boulder
  215. 3T Carbon Handlebar, Stem, Seatpost w Olympic Graphics
    $395
    S Boulder
  216. Campagnolo Tool Set
    $4,750
    S Boulder
  217. Mapei Socks- Defeet
    $20
    S Boulder
  218. bike tire pumps OBO
    $10
  219. Various handlebars
    $7
  220. SRAM XX1 Eagle DM DUB "Boost" Carbon Crankset
    $225
    Boulder
  221. RockyMounts quick-release roof bike rack
    $50
  222. Topeak mount bag and basket
    $100
  223. Saris Bones 3 bike rack
    $40
    Boulder
  224. TAG ALONG $40/ SHOES $20/ TRAINER $20/ BIKE borrow city $150/ xoearth
    $20
    Boulder
  225. HELMET FLAGS reflective/ BIKE RACK upgrade cargo/ TRAINER/ xoearth
    $35
    Boulder Central
  226. Yakima bike rack
    $300
    Boulder
  227. Bike shoes: Mens size 16: Shimano with clips: Never worn
    $50
    Frasier Meadows/Boulder
  228. 36V 10.4ah lithium ion battery
    $75
    Longmont
  229. Yakama SuperJoe3 Trunk Bike Rack
    $75
    Hygiene
  230. 164 mm Brooks C17 Carved Saddle
    $125
  231. 142 mm Pro Stealth Team Saddle
    $200
  232. Rolf Sestriere Front Wheel
    $39
    Erie
  233. Pearl Izumi Men’s Elite V3 Road Shoes 46.5
    $25
    Erie
  234. Sidi Men’s Road Shoes Size 46
    $25
    Erie
  235. Dog leash for bikes
    $25
  236. WTB bicycle saddles
    $75
    Boulder
  237. Water Bottle Carrier - Profile Design RML
    $30
    Boulder
  238. Shimano Ultegra pedals (look)
    $50
    Boulder
  239. KEO Carbon Pedals (look)
    $50
    Boulder
  240. Sram Crankset Rival 22 175mm BB30 - $100
    $100
    Boulder
  241. Sram Crankset X7 175mm BB30
    $100
    Boulder
  242. Shimano Dura Ace RD-7700 9-Speed Rear Derailleur
    $30
  243. Fork Up - Cannondale Lefty Wheel Mount
    $15
  244. SRAM GXP Carbon Crank - Direct Fit chainrings with spider
    $40
  245. Cannondale SI Spidering Plateau Chainring 32t - NEW
    $35
  246. Shimano Gravel/MTB Shoes XC702 Wide
    $110
    Longmont
  247. Various bike parts
    $0
  248. PNW loam carbon handlebar
    $120
    Lafayette
  249. Ritchey Carbon Breakaway Travel Bike
    $2,000
    Lafayette
  250. Fuji Track Pro Track Bike
    $550
  251. Yakima Bike Rack
    $80
    Longmont
  252. Bike Carrier for Car
    $25
    Erie
  253. SRAM GX Eagle Cassette
    $35
  254. Specialized Avatar Gel Body Geometry 143 mm Saddle / Seat
    $30
    Boulder
  255. WTB Pure V Sport Bike Saddle / Seat
    $30
    Boulder
  256. Marin MTB bike seat / saddle
    $20
    Boulder
  257. 2 Lolo bicycle handlebar rack mounts
    $25
    Boulder
  258. SRAM Force GXP Crankset w/ X-Sync 42T
    $30
    broomfield
  259. SRAM Force 1X DUB 172.5mm
    $90
    Longmont
  260. Hard case for bicycles with S&S couplings
    $200
    Broomfield
  261. Rocky Mounts locking fork mounts
    $50
    Broomfield
  262. Rocky Mounts hitch mount bike rack.
    $495
  263. Ortlieb Waterproof Bike Panniers
    $100
    Boulder
  264. Sidi Dragon 3 Carbon MTB Size 44
    $50
    Louisville
  265. Bike Stand
    $35
  266. SQLab 30X 12 degree mid-rise bar
    $60
    Boulder
  267. Ergon SR Allroad Core saddle
    $60
    Boulder
  268. Premium Gravel/Road Bike Parts
    $0
  269. Bike rack for trunk
    $20
  270. Bike rack - trunk
    $30
  271. Road Cycling Gear Bundle -- Lumos Helmet + Cycling Shoes w/Cleats + GripGrab Glo
    $85
    Boulder
  272. BRAND NEW, OLD STOCK- 2000 Bob Yak Plus Dry Sak Silver Trailer
    $400
  273. 26 inch presta valve bike tubes
    $10
    Longmont
  274. Via Velo Bike Lock
    $20
    Boulder
  275. Shimano Dura Ace CS-7700 9 Speed Cassette
    $30
    Longmont
  276. Shimano Ultegra FC-6500/6503 172.5mm Crankset Double 53/39T 9-Speed
    $25
    Longmont
  277. Trek Saddle Bags
    $20
    E Boulder
  278. Thule bike rack
    $99
    Boulder
  279. Specialized Roubaix Expert 2010
    $499
    Boulder
  280. Shimano Bike Cycling Shoes Mens 47 EU 2 bolt
    $40
    Boulder
  281. Saris 2 Bike Rack
    $300
    Boulder
  282. Canyon integrated carbon handlebar 46mmx80mm
    $200
  283. Thomson carbon road handlebar 46mm
    $100
  284. Yakima 2 bike locking rack
    $150
  285. Bontrager RACE Threadless Alloy Road Stem
    $10
    Longmont
  286. Bontrager Race Alloy Seat Post
    $12
    Longmont
  287. Bontrager Race Alloy Handle Bars
    $12
    Longmont
  288. Selle Italia SLK Saddle
    $12
  289. Comfy bike seats and new E Bike Tires
    $180
    S Boulder
  290. Bike Stand - Ninja Stoke - Wood
    $25
  291. Kids Pearl iZumi wind jacket and vest
    $10
  292. Troy Lee Designs Stage - Small Full Face
    $75
  293. [brand new] Oquo (Orbea) MC32 Mountain Bike Wheels w/ tires and rotors
    $400
    Boulder
  294. Assioma pro mx power meter
    $350