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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.
AFT 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$7.49DNM Rear Shock, +10mm , 300# – KLX110 2002-2009 
DNM Rear Shock, +10mm , 300# – KLX110 2002-2009$169.99$169.99$169.99TB Fork Leg Set, Front – CT70 K0 
TB Fork Leg Set, Front – CT70 K0$109.99$109.99$109.99TB 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 Exhaust Assembly – Z50R 88-99 Models 
TB Exhaust Assembly – Z50R 88-99 Models$142.99$142.99$142.99Seat – AFT – Z50R 89-99 Models 
Seat – AFT – Z50R 89-99 ModelsFrom $69.99From $69.99$69.99Main Jet Kit, Small – Nibbi PE17-30mm 
Main Jet Kit, Small – Nibbi PE17-30mm$11.99$11.99$11.99TB Throttle Cable, Plus 4 Inches – Z50R 86-99 
TB Throttle Cable, Plus 4 Inches – Z50R 86-99$23.99$23.99$23.99TB Petcock – For use with Performance Carb Kits 
TB Petcock – For use with Performance Carb Kits$16.99$16.99$16.99TB Billet Tappet Cover Set, – All Models 
TB Billet Tappet Cover Set, – All Models$25.99$25.99$25.99TB Rim Set – Z50 K0-79 Models 
TB Rim Set – Z50 K0-79 ModelsFrom $54.99From $54.99$54.99AFT Side Cover – Z50 K3-78 Models 
AFT Side Cover – Z50 K3-78 Models$43.99$43.99$43.99Piston 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$6.99TB Brake Pedal & Arm Kit – CT70 K0-K3 
TB Brake Pedal & Arm Kit – CT70 K0-K3$46.99$46.99$46.99TB Shift Shaft – Honda 50cc and 70cc 68-87 
TB Shift Shaft – Honda 50cc and 70cc 68-87$20.99$20.99$20.99TB Stroker Crankshaft, 51mm 6v – Various 3 & 4 Speed Models 
TB Stroker Crankshaft, 51mm 6v – Various 3 & 4 Speed Models$179.99$179.99$179.99TB Piston Kit, Std. size – CT70 91-94 & All XR70/CRF70 Models 
TB Piston Kit, Std. size – CT70 91-94 & All XR70/CRF70 Models$23.99$23.99$23.99TB Decomp Replacement Bolt – V2 Decomp Race Head 
TB Decomp Replacement Bolt – V2 Decomp Race Head$3.99$3.99$3.99AFT Headlight Assembly – K1-82 Models 
AFT Headlight Assembly – K1-82 Models$23.99$23.99$23.99Billet Cam Cover – KLX110 & Z125 
Billet Cam Cover – KLX110 & Z125$36.99$36.99$36.99TB Brake pad Set, Performance, Rear – KLX140 R&L Models only 
TB Brake pad Set, Performance, Rear – KLX140 R&L Models only$34.99$34.99$34.99Carburetor Rebuild Kit – Nibbi PE24 
Carburetor Rebuild Kit – Nibbi PE24$17.99$17.99$17.99Shift Lever, Black – 79-99 Z50R, 97-00 XR70, 00 XR50 & Others 
Shift Lever, Black – 79-99 Z50R, 97-00 XR70, 00 XR50 & Others$17.99$17.99$17.99TB Wheel Hub Set – Z50R 1980+ 
TB Wheel Hub Set – Z50R 1980+From $195.00From $195.00$199.99TB Clutch Lever W/Extended Cable – CRF125 2019+ 
TB Clutch Lever W/Extended Cable – CRF125 2019+$52.99$52.99$52.99AFT Carburetor Pilot Jet Kit – CT70 K0-77 AFT Carb Only 
AFT Carburetor Pilot Jet Kit – CT70 K0-77 AFT Carb Only$9.99$9.99$9.99TB Valve Kit, Replacement 
TB Valve Kit, Replacement$54.99$54.99$54.99TB Ignition Coil – Z50 K3-78 Models 
TB Ignition Coil – Z50 K3-78 Models$26.99$26.99$26.99TB Intake Manifold, Billet – KLX140 
TB Intake Manifold, Billet – KLX140$74.99$74.99$74.99TB Steering Stem Kit 
TB Steering Stem Kit$37.99$37.99$37.99TB Aluminum Cylinder, 54mm – TRX90/Chinese 114cc Bore Kits 
TB Aluminum Cylinder, 54mm – TRX90/Chinese 114cc Bore Kits$136.99$136.99$136.99TB Lever Pivot Screw & Nut- Z50 ,CT70, & Other Models 
TB Lever Pivot Screw & Nut- Z50 ,CT70, & Other Models$1.99$1.99$1.99TB Piston Kit – 143cc – For 4 Valve Heads 
TB Piston Kit – 143cc – For 4 Valve Heads$75.99$75.99$75.99
