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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 Valve Rebuild Kit For Stock Head- K0-81 Models
Coming soonTB Valve Rebuild Kit For Stock Head- K0-81 Models$75.99$75.99$75.99Unit price / perTB Clutch Kit - KLX110/L
Coming soonTB Clutch Kit - KLX110/L$49.99$49.99$49.99Unit price / perTB Carb Kit, Nibbi PE24mm – Stock Head KLX110
Coming soonTB Carb Kit, Nibbi PE24mm – Stock Head KLX110$164.99$164.99$164.99Unit price / perTB Bar Kit BMX – Z50 68-99, CT70K0 69-71, ATC70 73-85
Coming soonTB Bar Kit BMX – Z50 68-99, CT70K0 69-71, ATC70 73-85$179.99$179.99$179.99Unit price / perTB 143,165, & 178cc Race Head V2 and Intake Upgrade Kit - Z125
Coming soonTB 143,165, & 178cc Race Head V2 and Intake Upgrade Kit - Z125$489.99$489.99$489.99Unit price / perTB KLX140 Big Bore Kit, Mikuni VM26, & Carb Kit – All KLX140s
Coming soonTB KLX140 Big Bore Kit, Mikuni VM26, & Carb Kit – All KLX140s$397.99$397.99$397.99Unit price / perTB Throttle Kit #2 – Aftermarket Carburetors, 7/8″ Bars, 110 Frame Size
Coming soonTB Throttle Kit #2 – Aftermarket Carburetors, 7/8″ Bars, 110 Frame Size$29.99$29.99$29.99Unit price / perTB Pilot Jet Kit – KLX110, KLX140, TRX90, & CRF70
Coming soonTB Pilot Jet Kit – KLX110, KLX140, TRX90, & CRF70$9.99$9.99$12.99Unit price / perTB Manual Clutch Kit & Black Billets – 88+ CRF50/70 Models
Coming soonTB Manual Clutch Kit & Black Billets – 88+ CRF50/70 Models$234.99$234.99$234.99Unit price / perTB Chain Guard, Chrome – Z50 K3 Model
Coming soonTB Chain Guard, Chrome – Z50 K3 Model$19.99$19.99$39.99Unit price / perTB Lever, Left with Pivot Screw & Nut- Z50 ,CT70, & Other Models
Coming soonTB Lever, Left with Pivot Screw & Nut- Z50 ,CT70, & Other Models$8.99$8.99$8.99Unit price / perAFT 50cc Gasket Set - K0-78 Models
Coming soonAFT 50cc Gasket Set - K0-78 Models$13.99$13.99$13.99Unit price / perTB Cylinder head V2 & Stage 3 camshaft – KLX110 Style
Coming soonTB Cylinder head V2 & Stage 3 camshaft – KLX110 Style$419.99$419.99$419.99Unit price / perTB Clutch Kit w/Bearing, Gasket, & Cable – 2019+ CRF125
Coming soonTB Clutch Kit w/Bearing, Gasket, & Cable – 2019+ CRF125$89.99$89.99$89.99Unit price / perTB Banjo Bolt Kit – Grom, MSX125, & Monkey 125
Coming soonTB Banjo Bolt Kit – Grom, MSX125, & Monkey 125$17.99$17.99$17.99Unit price / perTrail Bikes 165cc Race Head V2 Big Bore Kit and 28mm Carburetor Performance Kit for KLX110
Coming soonTrail Bikes 165cc Race Head V2 Big Bore Kit and 28mm Carburetor Performance Kit for KLX110$779.99$779.99$779.99Unit price / perTB Roller Rockers & Camshaft Kit – KLX140 All Models
Coming soonTB Roller Rockers & Camshaft Kit – KLX140 All Models$149.99$149.99$149.99Unit price / perTB 24mm Performance Carb Kit, Mikuni VM24 – KLX140
Coming soonTB 24mm Performance Carb Kit, Mikuni VM24 – KLX140$243.99$243.99$243.99Unit price / perTB Cylinder head V2 & Stage 1 camshaft – KLX110 Style
Coming soonTB Cylinder head V2 & Stage 1 camshaft – KLX110 Style$419.99$419.99$419.99Unit price / perTB V2 Head Performance carb kit, VM24 – Honda 50 & 70cc
Coming soonTB V2 Head Performance carb kit, VM24 – Honda 50 & 70cc$209.99$209.99$209.99Unit price / perTB 143cc Bore Kit, Race Head V2, and Intake Manifold Kit - Z125
Coming soonTB 143cc Bore Kit, Race Head V2, and Intake Manifold Kit - Z125$679.99$679.99$679.99Unit price / perTrail Bikes 165cc Big Bore Kit and 28mm Carburetor Performance Kit for KLX110
Coming soonTrail Bikes 165cc Big Bore Kit and 28mm Carburetor Performance Kit for KLX110$379.99$379.99$379.99Unit price / perTB Carb Kit, Nibbi 22 – TTR110
Coming soonTB Carb Kit, Nibbi 22 – TTR110$159.99$159.99$159.99Unit price / perTB Rocker Arms, Billet, Roller – KLX140
Coming soonTB Rocker Arms, Billet, Roller – KLX140$99.99$99.99$99.99Unit price / perExtended body kit #2 – Z50 K3/1972+
Coming soonExtended body kit #2 – Z50 K3/1972+$779.99$779.99$779.99Unit price / perTB 24mm AFT Performance Carb Kit
Coming soonTB 24mm AFT Performance Carb Kit$129.99$129.99$129.99Unit price / perTB Front Fork & Handlebar Kit – Z50 1973-99
Coming soonTB Front Fork & Handlebar Kit – Z50 1973-99$524.00$524.00$524.00Unit price / perTB 108cc Race Head V2 Kit , 52mm Bore Kit, Mikuni VM26 Carb/Kit, & Stroker Crank – Honda 50cc & 70cc Various Models
Coming soonTB 108cc Race Head V2 Kit , 52mm Bore Kit, Mikuni VM26 Carb/Kit, & Stroker Crank – Honda 50cc & 70cc Various Models$902.99$902.99$902.99Unit price / perTB Carb Kit, Nibbi PE26, 1/4 Turn Throttle – KLX110
Coming soonTB Carb Kit, Nibbi PE26, 1/4 Turn Throttle – KLX110$179.99$179.99$179.99Unit price / perTB Carb kit, Nibbi 26, Billet Throttle – TTR110
Coming soonTB Carb kit, Nibbi 26, Billet Throttle – TTR110$209.99$209.99$209.99Unit price / perTB Rear Shock, 315LB – KLX110L, CRF110, 290mm
Coming soonTB Rear Shock, 315LB – KLX110L, CRF110, 290mm$184.99$184.99$184.99Unit price / perTB V2 88cc Big Bore Kit & VM26 Carb/Kit – Honda 50cc & 70cc 1982+
Coming soonTB V2 88cc Big Bore Kit & VM26 Carb/Kit – Honda 50cc & 70cc 1982+$767.99$767.99$767.99Unit price / perTB 143cc Big Bore Kit, Stg 1 Race Head V2 – KLX110 02-09
Coming soonTB 143cc Big Bore Kit, Stg 1 Race Head V2 – KLX110 02-09$614.99$614.99$614.99Unit price / perTB 26mm Carb Kit, Mikuni VM26 – KLX140
Coming soonTB 26mm Carb Kit, Mikuni VM26 – KLX140$222.99$222.99$222.99Unit price / perTB 114cc Big Bore Kit, Race Head, 26mm Mikuni VM26 Carb/Kit – TRX90
Coming soonTB 114cc Big Bore Kit, Race Head, 26mm Mikuni VM26 Carb/Kit – TRX90$522.99$522.99$522.99Unit price / perTB +0.5mm Piston & Gasket kit – Z50 K0-1981
Coming soonTB +0.5mm Piston & Gasket kit – Z50 K0-1981$29.99$29.99$29.99Unit 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.