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Trail Bikes
TBParts is dedicated to providing high-quality, affordable performance parts for pit bike, mini bike, and trail bike fans. Since 1995, their big bore kits and other performance enhancements, crafted from top-notch components customized to their unique specifications, have gained tremendous popularity due to their proven reliability and excellence.
908 products
TB Clutch Plate Kit, HD – Grom 2013-2021 Coming soonTB Clutch Plate Kit, HD – Grom 2013-2021$43.99$43.99$43.99Unit price / perTB Intake Boot, 30x58mm Coming soonTB Intake Boot, 30x58mm$14.99$14.99$14.99Unit price / perTB Gasket Kit, Top End – Z50R 88-99 & All XR50/CRF50 Models Coming soonTB Gasket Kit, Top End – Z50R 88-99 & All XR50/CRF50 Models$10.99$10.99$10.99Unit price / perTrail Bikes 108cc Stroker Kit 3 with Race Head for CRF50 Coming soonTrail Bikes 108cc Stroker Kit 3 with Race Head for CRF50$569.99$569.99$569.99Unit price / perTB Brake Kit – CRF110 Coming soonTB Brake Kit – CRF110$69.99$69.99$69.99Unit price / perPilot Jet Kit – Nibbi PE17-30mm Coming soonPilot Jet Kit – Nibbi PE17-30mm$9.99$9.99$9.99Unit price / perTB Piston Kit, Std. size – Z50R 88-99 & All XR50/CRF50 Models Coming soonTB Piston Kit, Std. size – Z50R 88-99 & All XR50/CRF50 Models$20.99$20.99$20.99Unit price / perTB Carb Kit, Nibbi PE26 – Race Heads Coming soonTB Carb Kit, Nibbi PE26 – Race Heads$149.99$149.99$149.99Unit price / perTB Rim Lock – 1.6″ Coming soonTB Rim Lock – 1.6″$9.99$9.99$9.99Unit price / perTB Suspension Package, 350# – CRF110 Coming soonTB Suspension Package, 350# – CRF110$359.99$359.99$359.99Unit price / perClutch Kit, HD Springs – XR/CRF 80/100 Coming soonClutch Kit, HD Springs – XR/CRF 80/100$29.99$29.99$29.99Unit price / perTB KLX140 Big Bore Kit, Mikuni VM26, & Carb Kit – All KLX140s Coming soonTB KLX140 Big Bore Kit, Mikuni VM26, & Carb Kit – All KLX140s$364.99$364.99$364.99Unit price / perTB Race Head 88cc Bore & 20mm Carb Kit - Z50 82-87 Models Coming soonTB Race Head 88cc Bore & 20mm Carb Kit - Z50 82-87 Models$394.99$394.99$394.99Unit price / perHeat Stop, 21mm, 45mm bolt spacing Coming soonHeat Stop, 21mm, 45mm bolt spacing$4.99$4.99$4.99Unit price / perTB Clutch Cable - CRF100 Coming soonTB Clutch Cable - CRF100$12.99$12.99$12.99Unit price / perTB V2 Race Head & Camshaft V2-2 Coming soonTB V2 Race Head & Camshaft V2-2From $399.99From $399.99$399.99Unit price / perTB Lever, Left with Pivot Screw & Nut- Z50 ,CT70, & Other Models Coming soonTB Lever, Left with Pivot Screw & Nut- Z50 ,CT70, & Other Models$8.99$8.99$8.99Unit price / perTB V2 108cc Stroker Big Bore Kit – Honda 50cc & 70cc 1988+ Coming soonTB V2 108cc Stroker Big Bore Kit – Honda 50cc & 70cc 1988+$724.99$724.99$724.99Unit price / perTB Forged Aluminum Black Shift Lever, +1″ Coming soonTB Forged Aluminum Black Shift Lever, +1″$19.99$19.99$19.99Unit price / perTB Fork Preload Spacer Set Coming soonTB Fork Preload Spacer Set$17.99$17.99$17.99Unit price / perTB Billet Oil Filter Cover w/Filter – KLX140 Coming soonTB Billet Oil Filter Cover w/Filter – KLX140$21.99$21.99$21.99Unit price / perAdjustable Rear Shock & Front Fork Springs – KLX140 R & L Coming soonAdjustable Rear Shock & Front Fork Springs – KLX140 R & L$314.99$314.99$314.99Unit price / perTB Cam roller kit & Chain – Honda 50/70 Coming soonTB Cam roller kit & Chain – Honda 50/70$26.99$26.99$26.99Unit price / perTB Tail light & bracket Kit – Z50 K3-78 Coming soonTB Tail light & bracket Kit – Z50 K3-78$49.99$49.99$49.99Unit price / perTB O-ring Kit, Stator Plate – Honda 50cc & 70cc Coming soonTB O-ring Kit, Stator Plate – Honda 50cc & 70cc$5.99$5.99$5.99Unit price / perTB Carb Kit, Nibbi PE26 – Honda V2 Race Head Coming soonTB Carb Kit, Nibbi PE26 – Honda V2 Race Head$149.99$149.99$149.99Unit price / perAFT Carburetor Kit – Z50 K3-78 Models Coming soonAFT Carburetor Kit – Z50 K3-78 Models$54.99$54.99$54.99Unit price / perTB 143,165, & 178cc Race Head V2 and Intake Upgrade Kit - Z125 Coming soonTB 143,165, & 178cc Race Head V2 and Intake Upgrade Kit - Z125$469.99$469.99$469.99Unit price / perTB Stock Head, 88cc Bore Kit & 20mm Carb Kit Coming soonTB Stock Head, 88cc Bore Kit & 20mm Carb Kit$218.99$218.99$218.99Unit price / perTrail Bikes 165cc Race Head V2 Big Bore Kit and 28mm Carburetor Performance Kit for KLX110 Coming soonTrail Bikes 165cc Race Head V2 Big Bore Kit and 28mm Carburetor Performance Kit for KLX110$739.99$739.99$739.99Unit price / perTB Carb Tuner Kit, Nibbi PE24mm – KLX110 Coming soonTB Carb Tuner Kit, Nibbi PE24mm – KLX110From $179.99From $179.99$179.99Unit price / perTB HD Clutch Kit & Billet Oil Cover – KLX140 Coming soonTB HD Clutch Kit & Billet Oil Cover – KLX140$69.99$69.99$69.99Unit price / perHD Rear Shock & Front Fork Springs – KLX140 R & L Coming soonHD Rear Shock & Front Fork Springs – KLX140 R & L$239.99$239.99$239.99Unit price / perTB 143cc Bore kit, 26mm Carb Kit & 1/4 Turn Throttle – KLX110 Coming soonTB 143cc Bore kit, 26mm Carb Kit & 1/4 Turn Throttle – KLX110$349.99$349.99$349.99Unit price / perTB 143cc Bore Kit, Race Head V2, and Intake Manifold Kit - Z125 Coming soonTB 143cc Bore Kit, Race Head V2, and Intake Manifold Kit - Z125$649.99$649.99$649.99Unit price / perTrail Bikes 165cc Big Bore Kit and 28mm Carburetor Performance Kit for KLX110 Coming soonTrail Bikes 165cc Big Bore Kit and 28mm Carburetor Performance Kit for KLX110$361.99$361.99$361.99Unit price / per
TB Parts
TBParts goal is to offer affordable performance parts for pit bike, mini bike, and trail bike enthusiasts. Their big bore kits and other performance parts are made of high-quality components manufactured to their specifications. These parts have proven to be extremely reliable and popular over the 25+ years they have been on the market.