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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.
1042 products
TB Starter, HD – KLX140
Coming soonTB Starter, HD – KLX140$118.99$118.99$118.99Unit price / perTB Kick Starter – All Models
Coming soonTB Kick Starter – All Models$28.99$28.99$28.99Unit price / perTB Steering Stem Kit – Z50 72-99, All CT70 & XR75 K0-76
Coming soonTB Steering Stem Kit – Z50 72-99, All CT70 & XR75 K0-76$32.99$32.99$32.99Unit price / perCam Chain, OEM – All CRF110 & CRF125
Coming soonCam Chain, OEM – All CRF110 & CRF125$12.99$12.99$12.99Unit price / perClutch Kit, HD Springs – XR/CRF 80/100
Coming soonClutch Kit, HD Springs – XR/CRF 80/100$30.99$30.99$30.99Unit price / perTB 143cc Big Bore Kit, Race Head V2, & Intake Kit – KLX110
Coming soonTB 143cc Big Bore Kit, Race Head V2, & Intake Kit – KLX110From $604.99From $604.99$604.99Unit price / perTB HD Clutch Plate Kit, Oil Filter & Oil Fill Cap – KLX110 KLX110L
Coming soonTB HD Clutch Plate Kit, Oil Filter & Oil Fill Cap – KLX110 KLX110L$54.99$54.99$54.99Unit price / perTB KLX140 Big Bore Kit, VM26 Carb Kit, & Performance Camshaft – All KLX140s
Coming soonTB KLX140 Big Bore Kit, VM26 Carb Kit, & Performance Camshaft – All KLX140s$462.99$462.99$462.99Unit price / perTB Fork Assembly Set, Extended, HD springs & Gold TiN Coated uppers – CRF110
Coming soonTB Fork Assembly Set, Extended, HD springs & Gold TiN Coated uppers – CRF110$379.99$379.99$379.99Unit price / perTB Rim Lock – 1.6″
Coming soonTB Rim Lock – 1.6″$9.99$9.99$9.99Unit price / perTB Piston Kit – 58mm
Coming soonTB Piston Kit – 58mm$75.99$75.99$75.99Unit price / perCarburetor Rebuild Kit – Nibbi PE26
Coming soonCarburetor Rebuild Kit – Nibbi PE26$17.99$17.99$17.99Unit price / perTB Fork Assembly Set, HD springs & Gold TiN Coated uppers – KLX110 & KLX110L
Coming soonTB Fork Assembly Set, HD springs & Gold TiN Coated uppers – KLX110 & KLX110L$379.99$379.99$379.99Unit price / perTB Lever, Black – Right Front Brake
Coming soonTB Lever, Black – Right Front Brake$13.00$13.00$13.00Unit price / perTB V2 Race Head & Camshaft V2-2
Coming soonTB V2 Race Head & Camshaft V2-2From $419.99From $419.99$419.99Unit price / per26mm Performance Carb Kit – Mikuni VM26
Coming soon26mm Performance Carb Kit – Mikuni VM26$217.99$217.99$217.99Unit price / perTB 143cc, 165cc, & 178 Race Head V2 Upgrade Kit
Coming soonTB 143cc, 165cc, & 178 Race Head V2 Upgrade Kit$419.99$419.99$419.99Unit price / perTB Brake Kit – CRF110
Coming soonTB Brake Kit – CRF110$69.99$69.99$69.99Unit price / perAFT Carburetor Rebuild Kit – CT70 K0-77
Coming soonAFT Carburetor Rebuild Kit – CT70 K0-77$39.99$39.99$39.99Unit price / perTB 114cc High Compression Big Bore Kit – All TRX90
Coming soonTB 114cc High Compression Big Bore Kit – All TRX90$185.99$185.99$185.99Unit price / perTB Funnel Set
Coming soonTB Funnel Set$6.99$6.99$6.99Unit price / perTB Valve Kit, Replacement
Coming soonTB Valve Kit, Replacement$57.99$57.99$57.99Unit price / perTB Piston & Gasket kit – Z50 K0-1981
Coming soonTB Piston & Gasket kit – Z50 K0-1981$29.99$29.99$29.99Unit price / perTB 120cc Bore Kit w/Cam Chain – XR/CRF100
Coming soonTB 120cc Bore Kit w/Cam Chain – XR/CRF100$189.99$189.99$189.99Unit price / perTB Shift Shaft Kit – CRF110
Coming soonTB Shift Shaft Kit – CRF110$59.99$59.99$59.99Unit price / perTB Front Fender, Mud Flap, CNC – TTR110
Coming soonTB Front Fender, Mud Flap, CNC – TTR110$19.99$19.99$19.99Unit price / perTB Wheel Kit - KLX110/L
Coming soonTB Wheel Kit - KLX110/L$499.99$499.99$499.99Unit price / perTB Bearing Kit, Center Case – KLX140
Coming soonTB Bearing Kit, Center Case – KLX140$54.99$54.99$54.99Unit price / perTB Clutch Lever W/Extended Cable – CRF125 2019+
Coming soonTB Clutch Lever W/Extended Cable – CRF125 2019+$52.99$52.99$52.99Unit price / perAFT SL100/125 – ALL – XL100 KO-76 Reproduction Carb
Coming soonAFT SL100/125 – ALL – XL100 KO-76 Reproduction Carb$80.99$80.99$80.99Unit price / perAFT Carburetor Kit – Z50 K3-78 Models
Coming soonAFT Carburetor Kit – Z50 K3-78 Models$59.99$59.99$59.99Unit price / perTB Wheel Kit & Ti Bushings – CRF110
Coming soonTB Wheel Kit & Ti Bushings – CRF110$499.99$499.99$499.99Unit price / perTB Piston, 54mm – TRX90/Chinese 86cc Type – TB Race Heads
Coming soonTB Piston, 54mm – TRX90/Chinese 86cc Type – TB Race Heads$73.99$73.99$73.99Unit 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 / per24mm AFT Carb with Cable - CRF/XR100
Coming soon24mm AFT Carb with Cable - CRF/XR100$79.99$79.99$79.99Unit price / perTrail Bikes 108cc Stroker Kit 3 with Race Head for CRF50
Coming soonTrail Bikes 108cc Stroker Kit 3 with Race Head for CRF50$612.99$612.99$612.99Unit 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.