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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.
Gasket Kit, 55mm – CRF125 
Gasket Kit, 55mm – CRF125$18.99$18.99$18.99TB 54mm Head Gasket Kit 
TB 54mm Head Gasket Kit$12.99$12.99$12.99Bolt kit, Center Case – KLX110, Z125 
Bolt kit, Center Case – KLX110, Z125$9.00$9.00$9.00TB Kick Starter – Chrome – Z50, CT70 & Other Models 
TB Kick Starter – Chrome – Z50, CT70 & Other Models$14.99$14.99$14.99TB Complete Engine Gasket and Oil Seal Kit - CRF/XR100 
TB Complete Engine Gasket and Oil Seal Kit - CRF/XR100$34.99$34.99$34.99TB Piston & Gasket/seal kit – CRF70, XR70, & 1991+ CT70 
TB Piston & Gasket/seal kit – CRF70, XR70, & 1991+ CT70$39.99$39.99$39.99TB V2 Race Head – Honda Type 
TB V2 Race Head – Honda Type$372.99$372.99$372.99TB Big Valve Kit - Grom/Monkey 
TB Big Valve Kit - Grom/Monkey$69.99$69.99$69.99TB Heavy Duty Clutch Basket Assembly & Billet Top Lift Plate – CRF110 
TB Heavy Duty Clutch Basket Assembly & Billet Top Lift Plate – CRF110$199.99$199.99$199.99TB Clutch Plate Kit, Replacement – 5 Plate Basket Only 
TB Clutch Plate Kit, Replacement – 5 Plate Basket Only$31.99$31.99$31.99TB Rocker Arm Kit – V2 Head 
TB Rocker Arm Kit – V2 Head$75.99$75.99$75.99TB Manual Clutch Cover Kit– All KLX110 
TB Manual Clutch Cover Kit– All KLX110$155.99$155.99$155.99TB 114cc High Compression Big Bore Kit – All TRX90 
TB 114cc High Compression Big Bore Kit – All TRX90$185.99$185.99$185.99TB Lifter Plate, Billet – CRF125 
TB Lifter Plate, Billet – CRF125$25.99$25.99$25.99TB Oil Cooler Kit – Honda V2 Head 
TB Oil Cooler Kit – Honda V2 Head$199.99$199.99$199.99TB Tappet Screw Set 
TB Tappet Screw Set$6.99$6.99$6.99TB Billet V2 Race Head Cover Set, Silver 
TB Billet V2 Race Head Cover Set, Silver$69.99$69.99$69.99Shift Shaft, Manual – CRF110 
Shift Shaft, Manual – CRF110$37.99$37.99$37.99TB Clutch Kit, HD – CRF125 
TB Clutch Kit, HD – CRF125$59.99$59.99$59.99TB Billet Lifter Plate – CRF110 HD Clutch 
TB Billet Lifter Plate – CRF110 HD Clutch$25.99$25.99$25.99TB KLX140 Big Bore Kit & Performance Cam – All KLX140s 
TB KLX140 Big Bore Kit & Performance Cam – All KLX140s$249.99$249.99$249.99TB Piston Kit, Std. size – Z50 
TB Piston Kit, Std. size – Z50$20.99$20.99$20.99JC Racing Billet Oil Spinner – Grom/Monkey 2013-2021 
JC Racing Billet Oil Spinner – Grom/Monkey 2013-2021$99.00$99.00$99.00TB Camshaft, V2 Honda/Import Heads 
TB Camshaft, V2 Honda/Import Heads$81.99$81.99$81.99Billet Cam Cover – KLX110 & Z125 
Billet Cam Cover – KLX110 & Z125$36.99$36.99$36.99Heat Stop, 21mm, 45mm bolt spacing 
Heat Stop, 21mm, 45mm bolt spacing$4.99$4.99$4.99TB Billet Oil Dipstick– All Models 
TB Billet Oil Dipstick– All Models$18.99$18.99$18.99TB Piston, 54mm – TRX90/Chinese 86cc Type – TB Race Heads 
TB Piston, 54mm – TRX90/Chinese 86cc Type – TB Race Heads$73.99$73.99$73.99AFT Carb Jet Kit for 20mm Carb - Small sizes 
AFT Carb Jet Kit for 20mm Carb - Small sizes$6.99$6.99$6.99Engine Dowel Kit – 10x14mm 
Engine Dowel Kit – 10x14mm$7.49$7.49$7.49TB 186cc Grom Big Bore Kit, Oil Cooler Kit & Performance Camshaft 
TB 186cc Grom Big Bore Kit, Oil Cooler Kit & Performance Camshaft$499.99$499.99$499.99TB Engine Fastener Kit – Honda 50cc & 70cc 69-78 
TB Engine Fastener Kit – Honda 50cc & 70cc 69-78$31.99$31.99$31.99TB Billet Tappet Cover Set, – All Models 
TB Billet Tappet Cover Set, – All Models$25.99$25.99$25.99Oil Cooler Kit, Morin Racing – 2022 & Up Grom, MSX125 
Oil Cooler Kit, Morin Racing – 2022 & Up Grom, MSX125$149.99$149.99$149.99Piston Rings, 55mm – CRF125 
Piston Rings, 55mm – CRF125$17.99$17.99$17.99Bearing, Lifter Plate – CRF110, CRF125 
Bearing, Lifter Plate – CRF110, CRF125$6.99$6.99$6.99
