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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.
TB Piston Kit – 143cc – For 4 Valve Heads 
TB Piston Kit – 143cc – For 4 Valve Heads$75.99$75.99$75.99TB Decomp Replacement Bolt – V2 Decomp Race Head 
TB Decomp Replacement Bolt – V2 Decomp Race Head$3.99$3.99$3.99TB 143cc Bore kit, 26mm Carb Kit & 1/4 Turn Throttle – KLX110 TB Carb Kit, Nibbi PE26 – Honda V2 Race Head 
TB Carb Kit, Nibbi PE26 – Honda V2 Race Head$159.99$159.99$159.99TB Piston Ring Set, 63mm – KLX140 w/170cc Big Bore Kit 
TB Piston Ring Set, 63mm – KLX140 w/170cc Big Bore Kit$23.99$23.99$23.99TB 143,165, & 178cc Race Head V2 and Intake Upgrade Kit - Z125 
TB 143,165, & 178cc Race Head V2 and Intake Upgrade Kit - Z125$489.99$489.99$489.99Kawasaki Output Shaft, HD version, OEM – KLX110 
Kawasaki Output Shaft, HD version, OEM – KLX110$108.99$108.99$108.99TB Cam Cover, Billet – Grom All Years 
TB Cam Cover, Billet – Grom All Years$39.99$39.99$39.99TB CNC Front Brake Lever & Master Cylinder Cap – KLX140 
TB CNC Front Brake Lever & Master Cylinder Cap – KLX140$29.99$29.99$29.99NTN Bearing Set – #6203 
NTN Bearing Set – #6203$14.99$14.99$14.99TB Heat Stop, 20mm carb 
TB Heat Stop, 20mm carb$4.99$4.99$4.99TB Brake Rotor, Rear w/hardware – KLX140 R&L Models only 
TB Brake Rotor, Rear w/hardware – KLX140 R&L Models only$49.99$49.99$49.99TB Cylinder head V2 & Stage 3 camshaft – KLX110 Style 
TB Cylinder head V2 & Stage 3 camshaft – KLX110 Style$419.99$419.99$419.99TB Performance Exhaust – Z50 K0-K2 Models 
TB Performance Exhaust – Z50 K0-K2 Models$207.99$207.99$207.99TB Muffler Shield/Protector Chrome – Z50 K3-78 
TB Muffler Shield/Protector Chrome – Z50 K3-78$59.99$59.99$59.99TB Upper Muffler Guard – Z50R 80-87 
TB Upper Muffler Guard – Z50R 80-87$52.99$52.99$52.99TB Clutch Lever W/Extended Cable – KLX140 
TB Clutch Lever W/Extended Cable – KLX140$49.99$49.99$49.99TB Clutch Lever W/Extended Cable – CRF110 
TB Clutch Lever W/Extended Cable – CRF110$39.99$39.99$39.99TB Seat Pan & Foam – Z50R 88-99 
TB Seat Pan & Foam – Z50R 88-99$54.99$54.99$54.99TB Headlight Socket Kit – K1-K2 Models 
TB Headlight Socket Kit – K1-K2 Models$10.99$10.99$10.99TB Exhaust Pipe – Z50 K0-K2 Models 
TB Exhaust Pipe – Z50 K0-K2 Models$55.99$55.99$55.99TB Exhaust Guard Kit, Chrome – Z50 K3-K6 
TB Exhaust Guard Kit, Chrome – Z50 K3-K6$35.99$35.99$35.99Sprocket Plate & Bolts – Z50 & Z50R 1968-81 
Sprocket Plate & Bolts – Z50 & Z50R 1968-81$6.99$6.99$6.99TB Piston Kit, Forged, 55mm – Grom/Monkey 125 2022+ 
TB Piston Kit, Forged, 55mm – Grom/Monkey 125 2022+$99.99$99.99$99.9924mm AFT Performance Carb – Pilot Jet Kit 
24mm AFT Performance Carb – Pilot Jet Kit$15.99$15.99$15.99TB Valve kit – Honda V2 Race head 
TB Valve kit – Honda V2 Race head$64.99$64.99$64.99TB Front Fork Seals – CT70 K2-79 
TB Front Fork Seals – CT70 K2-79$10.99$10.99$10.99TB Billet V2 Race Head Cover Set 
TB Billet V2 Race Head Cover Set$99.99$99.99$99.99TB V2 Race Head Kit & 52mm/88cc Big Bore Kit – Honda 50cc & 70cc Various Models 
TB V2 Race Head Kit & 52mm/88cc Big Bore Kit – Honda 50cc & 70cc Various Models$599.99$599.99$599.99TB Piston kit, .50 Over – All ATC70 and TRX70 Models 
TB Piston kit, .50 Over – All ATC70 and TRX70 Models$24.99$24.99$24.99TB Cam Sprocket, 36T – KLX110 02-09 
TB Cam Sprocket, 36T – KLX110 02-09$22.99$22.99$22.99TB Race Head Carb Kit, Nibbi PE28, 1/4 Turn Throttle – KLX110 
TB Race Head Carb Kit, Nibbi PE28, 1/4 Turn Throttle – KLX110$179.99$179.99$179.99TB Heat Sensor Extension Harness Kit 
TB Heat Sensor Extension Harness Kit$9.99$9.99$9.99TB 143cc Bore Kit, Race Head V2, and Intake Manifold Kit - Z125 
TB 143cc Bore Kit, Race Head V2, and Intake Manifold Kit - Z125$679.99$679.99$679.99AFT 50cc Gasket Set - K0-78 Models 
AFT 50cc Gasket Set - K0-78 Models$13.99$13.99$13.99TB Wire Harness -Z50- K3-78 
TB Wire Harness -Z50- K3-78$29.99$29.99$29.99
