Close
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.
Piston Rings, 55mm – CRF125 
Piston Rings, 55mm – CRF125$17.99$17.99$17.99TB Piston Kit, Forged, High Compression, 63mm – KLX140 
TB Piston Kit, Forged, High Compression, 63mm – KLX140$104.99$104.99$104.99TB Billet V2 Race Head Cover Set 
TB Billet V2 Race Head Cover Set$99.99$99.99$99.99TB Stroker Crankshaft, 51mm 6v – Various 3 & 4 Speed Models 
TB Stroker Crankshaft, 51mm 6v – Various 3 & 4 Speed Models$199.99$199.99$199.99TB 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 Turn Signal Flasher Relay – CT70 & Others 
TB Turn Signal Flasher Relay – CT70 & Others$9.99$9.99$9.99AFT Carburetor Kit – Replacement Throttle Cable 
AFT Carburetor Kit – Replacement Throttle Cable$9.99$9.99$9.99Race Head V2 Bolt kit Race Head V2 Bolt kit$24.99$24.99$24.99Fender, Rear – AFT – K1 (fits K0 & K2) 
Fender, Rear – AFT – K1 (fits K0 & K2)$39.99$39.99$39.99Front Fender – AFT – K1 (fits K0 & K2) 
Front Fender – AFT – K1 (fits K0 & K2)$32.99$32.99$32.99TB Chain Guard -Z50- K3-78 Models 
TB Chain Guard -Z50- K3-78 Models$31.99$31.99$31.99TB Wire Harness -Z50- K3-78 
TB Wire Harness -Z50- K3-78$29.99$29.99$29.99TB Wire Harness – Z50 K1 
TB Wire Harness – Z50 K1$29.99$29.99$29.99TB Stock Head, 88cc Big Bore Kit – Various Models 
TB Stock Head, 88cc Big Bore Kit – Various Models$149.99$149.99$149.99DNM 250# 230mm,Shock – TRX90 
DNM 250# 230mm,Shock – TRX90$259.99$259.99$259.99TB Bottom Steering Stem – KLX110 2010+ 
TB Bottom Steering Stem – KLX110 2010+$19.99$19.99$19.99TB Kickstand Bolt And Spring Set - KLX140 
TB Kickstand Bolt And Spring Set - KLX140$14.99$14.99$14.99TB Head Cover Set – 2022+ Grom 
TB Head Cover Set – 2022+ Grom$69.99$69.99$69.99Kawasaki Gear, 1st Output Low , 36T – KLX110 
Kawasaki Gear, 1st Output Low , 36T – KLX110$61.99$61.99$61.99TB 53.5mm piston & gasket kit, Forged & High Compression – KLX110 
TB 53.5mm piston & gasket kit, Forged & High Compression – KLX110$104.99$104.99$104.99TB Bolt Kit, TI, Cylinder Head Covers – KLX110/Z125 
TB Bolt Kit, TI, Cylinder Head Covers – KLX110/Z125$22.99$22.99$22.99TB Brake Pad & Rotor Kit, Front – KLX140 R&L Models 
TB Brake Pad & Rotor Kit, Front – KLX140 R&L Models$81.99$81.99$81.99TB Brake Pad & Rotor Kit, Front & Rear – KLX140 R&L Models only 
TB Brake Pad & Rotor Kit, Front & Rear – KLX140 R&L Models only$139.99$139.99$139.99TB Brake Pad & Rotor Kit, Rear – KLX140 R&L Models only 
TB Brake Pad & Rotor Kit, Rear – KLX140 R&L Models only$79.99$79.99$79.99TB Master Cylinder Cap, Front, CNC Billet – CRF125 
TB Master Cylinder Cap, Front, CNC Billet – CRF125$16.99$16.99$16.99TB Race Camshaft, V2 Stage 3 – Race Head V2 
TB Race Camshaft, V2 Stage 3 – Race Head V2$89.99$89.99$89.99TB Master Cylinder Cap – Grom 125 All Models 
TB Master Cylinder Cap – Grom 125 All Models$16.99$16.99$16.99TB Gasket Kit, Top End – Z50R 82-87 Models 
TB Gasket Kit, Top End – Z50R 82-87 Models$10.99$10.99$10.9926mm/28mm Performance Carb Kit – Intake Kit – V2/YX/ZS Heads 
26mm/28mm Performance Carb Kit – Intake Kit – V2/YX/ZS Heads$69.99$69.99$69.99TB Dimmer Switch – K1-K2 Models 
TB Dimmer Switch – K1-K2 Models$18.99$18.99$18.99AFT Ignition Switch – K1 Models 
AFT Ignition Switch – K1 Models$31.99$31.99$31.99TB Exhaust Guard Screw Set – Z50 K0-K2 Models 
TB Exhaust Guard Screw Set – Z50 K0-K2 Models$2.49$2.49$2.4924mm AFT Performance Carb – Pilot Jet Kit 
24mm AFT Performance Carb – Pilot Jet Kit$15.99$15.99$15.99TB Piston Ring Set, 67mm 
TB Piston Ring Set, 67mm$21.99$21.99$21.99TB Decomp Replacement Bolt – V2 Decomp Race Head 
TB Decomp Replacement Bolt – V2 Decomp Race Head$3.99$3.99$3.99TB Pushrod – KLX110 
TB Pushrod – KLX110$2.99$2.99$2.99
