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Bicycle Parts For Sale in Boulder, CO

  1. see also
  2. Shimano Tsukinist Commuter Backpack Cycling 20L
    $65
    Boulder
  3. Ceiling Bicycle hangars
    $20
    longmont
  4. Thule 2-Bike Hitch Rack for 2” or 1 ¼” Hitch Receiver
    $220
    Louisville
  5. Vintage 1992 Giant Bike Expandable Accessory Bag
    $8
    Longmont
  6. 1993 Vintage Blackburn Bicycle Rack Strap
    $8
    Longmont
  7. Selle Italia X-LR Kit Carbonio Superflow, Saddle, 268 x 140mm, 138g, B
    $120
    Boulder
  8. Trek Bontrager Interchange Removable Rear Basket
    $30
    South Boulder
  9. Saris Bones 2 Bike Rack
    $40
    Longmont
  10. Shimano XT Cranks
    $80
    Boulder
  11. ITM Aluminum Road Bike Drop Bar Handlebar
    $40
    Boulder
  12. Travel Trac Fluid+ Bicycle Trainer with Remote & Front Wheel Stand
    $120
    Louisville
  13. Yakima 2-Bike Hitch Rack for 2” Hitch Receiver
    $160
    Louisville
  14. Sidi Dragon 3 Carbon MTB Size 44
    $50
    Louisville
  15. 2020 FOX 36 160mm
    $150
    Longmont
  16. Bontrager 29er Boost 12mm Micro Spine or Shimano + NN Tire
    $175
  17. Bike Yoke Revive Dropper Post 31.6 160mm
    $200
    longmont
  18. 2022 Performance Elite Series 34 FLOAT 29 140mm FIT4
    $400
    longmont
  19. 2023 Fox 34 Float Performance 130mm Grip
    $300
    longmont
  20. Cycle Ops (CycleOps) bicycle trainer
    $50
    Wheat Ridge
  21. Yakima 2-Bike Hitch Rack for 1-1/4” Hitch Receiver Like New Condition
    $220
    Louisville
  22. Küat bike rack
    $350
  23. 29" alluminum front rim
    $20
    Boulder
  24. HighPOWER Li-Ion Battery Charger Model HP8204L2 Input 115/230VAC 60/50
    $60
    Boulder
  25. Bontrager GR Elite Isozone Gravel Handlebars 31.8mm 42cm New
    $40
    Boulder
  26. CrankBrothers Highline 7 Dropper Post, 100mm, 31.6 Dropper Seatpost
    $40
    Boulder
  27. Shimano Women's Off-Road Mountain Bike Shoes sz 7.8/ 40
    $20
    Boulder
  28. Specialized 2FO Roost Clipless Bike shoes Men's 6.5 NEW
    $30
    Boulder
  29. Yakima Freeloader
    $80
    Erie
  30. Silca Pista pump
    $35
    Erie
  31. Thule Wheel On wheel carrier
    $35
    Erie
  32. Velo Orange Handlebars
    $55
    Erie
  33. Mustache Bars
    $45
    Erie
  34. XT Mountain Bike Pedals
    $60
    Erie
  35. WILIER Alibarda integrated carbon handlebar (road)
    $350
    Boulder
  36. Continental GATORSKIN 700x28mm Road/Commute Tires (NEW)
    $80
    Boulder
  37. SIDI World Cup MTB Shoes (Men's 42/9.0)
    $145
    Boulder
  38. MIK Enabled Bicycle Pet Carrier/Milk Crate
    $35
  39. Bicycle Rack
    $100
    Lafayette
  40. Fox MTB Shorts Men's Size 36
    $25
    Boulder
  41. Like New Fox Ranger Shorts Men's Size 34
    $50
    Boulder
  42. Fox Speedframe MIPS Helmet Size L
    $60
    Boulder
  43. Shimano ME5 Men's MTB Shoes Size 10.5
    $55
    Boulder
  44. Troy Lee Designs Skyline Air MTB Jerseys Men's Size XL
    $15
    Boulder
  45. Specialized S Works Carbon 175mm 52/36 11-speed BB30 crankset
    $150
  46. Thule foldable loading ramp 933410
    $85
  47. All City Super Professional steel fork
    $50
    Boulder
  48. Ride Concepts Wildcat Mid flat pedal shoes size 12
    $40
    Boulder
  49. Sidi Road Shoes
    $25
  50. NEW! Mountain Bike Shoes, SPD - EU 40
    $30
    Longmont
  51. Cervelo SP24 Offset Carbon Seatpost
    $100
  52. SR Suntour XCR34 29" Fork
    $50
    Lafayette
  53. 6KU Track Wheel Set
    $30
    Lafayette
  54. Stem 50mm length, for 35mm bars
    $40
    Boulder
  55. Sram X01 11 speed cassette new 11-42
    $250
    Boulder
  56. Thomson Masterpiece seat post 31.6mm x 350mm
    $75
    Boulder
  57. Saris Bones 2 Bike Trunk Rack
    $80
    South Boulder
  58. Nantucket Bike Basket
    $30
    South Boulder
  59. Thule 822 Bed Rider Truck Bike Mount Aluminium
    $60
    South Boulder
  60. Lemond Revmaster Pro Seat and Post
    $30
    South Boulder
  61. Yakima Track Rail Bicycle Tray Carrier for Rooftop Racks 🚴
    $50
    South Boulder
  62. MTB Wheels Alexrims Racers Edge Adventurer + Bontrager
    $100
    South Boulder
  63. Specialized Globe Pannier Adapters - Front
    $50
    South Boulder
  64. Carbon fiber race rim 29"
    $40
    Boulder
  65. Rockymounts fork mount for Maverick Forks
    $20
    Boulder
  66. Rockymounts fork mount for Maverick Forks
    $20
    Boulder
  67. Bike Helmets - men's, women's - 5 available
    $0
    Longmont
  68. NEW with tag! Pearl Izumi Elite Women's Drop Tail Cycling Bibs - SMALL
    $100
    Longmont
  69. Simonetti Aero Aluminum Bike Frame
    $150
    Longmont
  70. WTB CZR i30 29" Wheelset Mountain Bike Boost XD Freehub
    $600
    Berthoud
  71. Mavic Cosmic SL 32 Wheelset 12mm x 100mm 12mm x 142mm Centerlock Shima
    $650
    Berthoud
  72. QERIDOO Speedkid1, buggy, walker, jogger Petrol
    $150
    Berthoud
  73. NEW! Osprey Berm 12L Biking Backpack
    $100
    Longmont
  74. NEW! BOA Cycling Shoes
    $50
    Longmont
  75. Women's Giro Reva Mountain bike shoes - EU 39 - LIKE NEW
    $50
    Longmont
  76. Fox Factory 36 GRIP2 29
    $325
    Table Mesa
  77. Yakima King Joe 3 Car Bicycle Rack - Like New
    $85
    Frederick
  78. 2024 Fox 34 Float Grip2 Fork
    $425
    Boulder
  79. Cane Creek DB IL Coil – 210x55 – 500–610lb Progressive Spring
    $450
    Boulder
  80. Nashbar Angliru Road Bike Pedals (Black)
    $20
    Boulder
  81. Assos Mercedes AMG Petronas Full-length Sleeve Jersey (White) - Small
    $49
    Boulder
  82. Gladiator Advanced Bike Storage Hooks (4)
    $30
    Niwot, CO
  83. Item list #3: bicycle parts, wheels, tires, saddles, etc.
    $10
  84. Hitch Mount Bicycle Carrier
    $30
    North Boulder Area
  85. Bike Project: Steel Bike Frame with parts
    $20
    Longmont
  86. $200 Rudy Project Airstorm Cycling Helmet
    $75
    SW Longmont
  87. Emporia GC3 Pro Gravel HED Wheels
    $1,000
    Boulder
  88. Mountain Bike Stem/Raceface
    $40
  89. Vintage Look Sunlit Headlamp
    $20
  90. SRAM Rival 10 speed rd derailluer
    $40
  91. TRP TRI Bike Brake Caliper Rear
    $40
  92. FSA 44 Tooth chain ring. 104 BCD
    $40
  93. Bell Bike Helmet
    $10
  94. Specialized Bike Saddle
    $30
  95. Yakima 2-Bike Hitch Rack for 2” Hitch Receiver
    $220
    Louisville
  96. saddle bags basket
    $40
    Longmont
  97. Ridley Helium SLX Carbon road frame set size small
    $1,400
    Boulder
  98. Bike Shoes - Men's/Women's
    $40
    Longmont
  99. NEW Mountain Bike Shoes - size EUR 41
    $40
    Longmont
  100. Industry Nine Torch XD (SRAM) freehub body
    $20
    Boulder
  101. SARIS Bones Bike Rack
    $50
    Longmont
  102. wheel set - Mavic Ksyrium Elite 700c
    $100
    Superior
  103. XCadey chainrings, 50/34t, 110 BCD, 5 bolts
    $20
    Boulder
  104. Topeak Tri-cage Carbon (for under saddle) (x2)
    $30
    Boulder
  105. Silca Mattone saddle bag w/ Boa strap
    $15
    Boulder
  106. Post Carry Co. handlebar bag
    $15
    Boulder
  107. Mini saddlebag (generic)
    $5
    Boulder
  108. 105 R7000 11-32 11-speed cassette
    $10
    Boulder
  109. Biking Clothes - Men's S,M,L
    $0
    Longmont
  110. New! 26" Street Tires
    $30
    Longmont
  111. E-Bike Loading RAMP + License Plate Relocation Bracket
    $75
    Longmont
  112. NEW! Cycling Shoes with BOA
    $50
    Longmont
  113. Dura Ace 10/11 spd 175mm compact crank
    $125
    Lafayette
  114. Kids MTB gear lot everything you need - shoes,shirts, gloves pand pads
    $50
    Boulder
  115. Shimano ME4 Trail SPD Shoes EU39
    $50
    Boulder
  116. Giro Privateer R Shoe size 44 10.25
    $40
    Boulder
  117. Wooden Bike Wall Mount
    $10
    Boulder
  118. WTB ST i23 700c/29” tubeless MTB/gravel wheels/wheelset
    $175
    Longmont
  119. MotoTote Mini – Premium Ebike Rack and Dual Add on
    $700
  120. Bontrager Carbon Cycling Shoes with eSoles - sz 45
    $75
    Longmont
  121. Louis Garneau Ergo Air Carbon Cycling Shoes - size EU 42
    $60
    Longmont
  122. Pearl Izumi Cycling Shoes - sz 45.5
    $40
    Longmont
  123. (2) NEW Mt Bike Tires - 26" x 1.90"
    $40
    Longmont
  124. Absolute Black 38t round chainring. 104 bcd
    $40
  125. M/L Giant Frame Gravel
    $300
  126. THULE & SARIS BIKE RACKS FOR SALE
    $1
    Erie
  127. Selle Italia SLR Boost Superflow Ti316 saddles
    $125
    Louisville
  128. Racermate CompuTrainer Pro - Bike Trainer System
    $250
    Longmont
  129. (2) NEW IN BOX! Yakima LockJaw Rooftop Bike Trays
    $150
    Longmont
  130. GORE Bike Wear Gore-Tex Shoe Covers
    $60
    Longmont
  131. Women's Mt Bike Shorts - NEW with Tags
    $50
    Longmont
  132. Vintage USA Concord Bicycle Replacement Tube, Unused - 26 x 1.5
    $3
    Longmont
  133. Deda Zero100 Team Stem- NEW!
    $55
    Boulder
  134. Shimano Di2 Remote Climbing Shifter
    $40
    Boulder - Longmont - Denver
  135. LOOK A-Stem
    $85
    Boulder - Longmont - Denver
  136. Shimano Ultegra Rear Derailleur 11 Speed
    $35
    Boulder
  137. 2 fork mount bike holders
    $20
    Longmont
  138. Sidi Men’s Road Shoes Size 46
    $50
    Erie
  139. Rolf Sestriere Front Wheel
    $50
    Erie
  140. Pearl Izumi Men’s Elite V3 Road Shoes 46.5
    $25
    Erie
  141. Burley D'Lite
    $300
    Lafayette
  142. Intense WTB 29" Wheelset Boost i29
    $100
    North Boulder
  143. 29" Wheelset Specialized Epic Evo takeoff Boost w/ cassette
    $200
    North Boulder
  144. Specialized Roval Alpinist Stem 120mm x 6deg Excellent
    $80
    North Boulder
  145. Specialized Roval Terra Seatpost 27.2mm x 380mm
    $120
    North Boulder
  146. Specialized S-Works Carbon Seatpost 27.2mm x 400mm
    $80
    North Boulder
  147. Specialized Power Comp Saddle 145mm
    $80
    North Boulder
  148. Bike Rack
    $25
    Longmont
  149. Stems
    $10
    Longmont
  150. Bike seatposts. Variety
    $10
    Longmont
  151. Shimano Dura Ace tri shifters and bars
    $100
    Longmont
  152. Handlebars road Variety
    $20
    Longmont
  153. 45NRTH Xerxes studded tires - 700c x 30
    $20
    Lafayette
  154. Ergon grips with bar ends
    $20
    Boulder
  155. RockShox 35 130mm Boost 29er fork
    $100
    Boulder
  156. Travel Trac Mag+ Trainer
    $30
    Boulder
  157. New Shimano WR 62L Dynalast Carbon Cycling Shoes-Size 38
    $45
    Louisville, CO
  158. New Shimano Ultegra ST-6800-11 Speed Brake Hood Covers
    $15
    Louisville, CO
  159. New Fizik Pave' Saddle-Titanium Rails
    $40
    Louisville, CO
  160. Kuat sherpa 2.0
    $375
    Erie
  161. DT Swiss 370 / WTB EZR i23 700c Gravel Wheelset
    $100
    Boulder
  162. Answer turquoise seatpost clamp, 31.8mm
    $10
    North Boulder
  163. 31.8mm Chris King seatpost collar
    $35
    Boulder
  164. SQLab 30X 12 degree mid-rise bar
    $80
    Boulder
  165. Maxxis Chronicle 29+ tires
    $30
    Boulder
  166. Rotor 50/36 Q-rings for Campy 110x5
    $20
    Boulder
  167. Park Tools
    $20
    Boulder
  168. WTB i40 27.5+ rims, like new
    $50
    Boulder
  169. Terrene Cake Eater studded 27.5+ tires
    $100
    Boulder
  170. Mtn front wheels
    $10
    SE Boulder
  171. Sportneer trainer - barely used
    $30
    Boulder
  172. Dero Fixit Repair Station NEW
    $500
    Longmont
  173. Superdeluxe rear shock rockshox
    $100
    Boulder
  174. Surly Knard Tires
    $20
    Broomfield
  175. Shimano SPD-SL pedals
    $50
    Boulder
  176. Water Bottle Carrier - Profile Design RML
    $30
    Boulder
  177. Bike Pegs
    $8
    Mead
  178. Bike rack
    $50
    Hudson
  179. Wolftooth 28 tooth chainring
    $40
    Erie
  180. Nobl carbon MTB wheelset
    $800
    Erie
  181. NEW Mountain Bike shoes Size 9.5 US / 43
    $50
    Boulder
  182. 2 basic MTB or Ebike pedals, stock on Aventon Aventure, fits others
    $20
    west of boulder
  183. Kuat transfer lock kit
    $45
    Longmont
  184. RevArc snowmobile ramp
    $350
    Boulder
  185. Shimano Tiagra 4700 components
    $250
    Louisville
  186. Crank Brother Candy 7 Clipless Pedals
    $25
  187. SRAM Rival AXS 30-43T Crankset
    $60
  188. NEW Pearl Izumi X-Alp Seek Blue Women's Size 40 (W 9) Cycling Shoes
    $55
    Boulder
  189. Shimano Bike Cycling Shoes Mens 47 EU 2 bolt
    $40
    Boulder
  190. Bontrager touring saddle bags
    $30
    Gunbarrel
  191. Ultegra FC-R8000 36 tooth chainring
    $1
    Longmont
  192. Küat NA22G 2.0 Two Bike Add-On
    $250
    Boulder
  193. Ebike Batteries
    $750
    boulder
  194. Cannondale SI Spidering Plateau Chainring 32t - NEW
    $40
  195. SRAM GXP Carbon Crank - Direct Fit chainrings with spider
    $50
  196. Fork Up - Cannondale Lefty Wheel Mount
    $15
  197. Shimano Dura Ace RD-7700 9-Speed Rear Derailleur
    $30
  198. G-Form Pro-X3 Elbow Pads - Size Large
    $20
  199. TRP Spyre Post-Mount Disc Brake Caliper - New in Box
    $50
  200. Shimano Saint PD-MX80 Pedals
    $40
    Broomfield
  201. Disc Brake Caliper - Shimano
    $30
    Boulder
  202. Abus 4750X Frame Cafe Lock
    $30
    Louisville
  203. Shimano 10 speed freewheel.New.
    $10
    Firestone
  204. Shimano cassette, brake rotor, chainring, pads SRAM brake rotor, pads
    $0
    Boulder
  205. Vintage 7sp Wheels – Mavic hubs/Matrix rims
    $150
    Lafayette
  206. Bike seat gel cover pad Bontrager
    $15
  207. E-Bike Electric Motor Adapter Kit
    $395
    Lafayette
  208. FSA Team issue 11 speed chain in bulk
    $225
    Longmont
  209. Crankbrothers Eggbeater Pedals
    $20
    Longmont
  210. Bike Parts
    $1
    Boulder
  211. Campagnolo Tool Set
    $4,750
    S Boulder
  212. Mapei Socks- Defeet
    $20
    S Boulder
  213. Yakima SKS Lock Core (Cores only)
    $50
    Loveland/Longmont
  214. NOS Campagnolo C Record Rear Hub 32h
    $120
    S Boulder
  215. Selle Italia Flite Saddle - Giro d'Italia Special Edition- NIB
    $95
    S Boulder
  216. 3T Carbon Handlebar, Stem, Seatpost w Olympic Graphics
    $395
    S Boulder
  217. 3T Stem 120mm
    $24
    S Boulder
  218. ENVE SES 3.4 AR Disc Wheels NIB
    $1,800
    S Boulder
  219. 27.5” x 35c rear MTB wheel with SRAM driver
    $100
    Lafayette
  220. Specialized 3.0 Road Shoe
    $50
    Nederland
  221. BIKING SHOES 8W & 11.5M Shim $20/ TRAINER $20/ TAG ALONG $40/ xoearth
    $20
    Boulder
  222. HELMET FLAGS & reflective stickers 35/ BIKE TRAINER MagLit 20/ xoearth
    $35
    Boulder Central
  223. IZIP Parting Out or Buy Whole for $125, 8 speed
    $125
    Louisville
  224. Mtn bike/fr wheels, seats, nice tires
    $10
    SE Boulder
  225. Vintage Cats Eye Bike Light, Excellent Condition
    $25
    Louisville
  226. Small MTB Carbon Frame
    $100