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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.
337 of 918 products
TB Clutch Plate Kit, Kevlar with Heavy Duty Springs – KLX110 and Z125 Coming soonTB Clutch Plate Kit, Kevlar with Heavy Duty Springs – KLX110 and Z125$35.99$35.99$35.99Unit price / perTB Top End Gasket Kit, 55.5mm - TTR110 Coming soonTB Top End Gasket Kit, 55.5mm - TTR110$21.99$21.99$21.99Unit price / perTB Piston Kit, 55.5mm - TTR110 Coming soonTB Piston Kit, 55.5mm - TTR110$70.99$70.99$70.99Unit price / perTB Crankcase Cover Gasket, Right – All Models Coming soonTB Crankcase Cover Gasket, Right – All Models$3.99$3.99$3.99Unit price / perTB 143cc Bore Kit & Mikuni VM26mm Carb Kit – All Model KLX110 Coming soonTB 143cc Bore Kit & Mikuni VM26mm Carb Kit – All Model KLX110$361.99$361.99$361.99Unit price / perTrail Bikes Magnetic Drain Bolt Coming soonTrail Bikes Magnetic Drain Bolt$6.99$6.99$6.99Unit price / perTB Manual Clutch Cover Kit – CRF110 Coming soonTB Manual Clutch Cover Kit – CRF110$169.99$169.99$169.99Unit price / perCam Chain – DID Coming soonCam Chain – DID$29.99$29.99$29.99Unit price / perTB HD Output Shaft for KLX110 Coming soonTB HD Output Shaft for KLX110$75.99$75.99$75.99Unit price / perTB 130cc Big Bore Kit - TTR110 Coming soonTB 130cc Big Bore Kit - TTR110$169.99$169.99$169.99Unit price / perTB Clutch Plate Kit – Kevlar with Heavy Duty Springs - Grom/Monkey Coming soonTB Clutch Plate Kit – Kevlar with Heavy Duty Springs - Grom/Monkey$42.99$42.99$42.99Unit price / perTB Oil Seal Kit – CRF110 Coming soonTB Oil Seal Kit – CRF110$4.99$4.99$4.99Unit price / perTB 130cc Big Bore Kit – Filter & Jets Included - TTR110 Coming soonTB 130cc Big Bore Kit – Filter & Jets Included - TTR110$209.99$209.99$209.99Unit price / perTB Race Head 88cc Big Bore kit and 20mm Carburetor Performance Kit Coming soonTB Race Head 88cc Big Bore kit and 20mm Carburetor Performance Kit$394.99$394.99$394.99Unit price / perTB Oil Filter – Kawasaki Coming soonTB Oil Filter – Kawasaki$5.99$5.99$5.99Unit price / perTrail Bikes 143cc Bore Kit V2 Roller Rocker Race Head and VM26mm Carb Kit Coming soonTrail Bikes 143cc Bore Kit V2 Roller Rocker Race Head and VM26mm Carb Kit$719.99$719.99$719.99Unit price / perTrail Bikes 55mm Stroker Crank for KLX110 Coming soonTrail Bikes 55mm Stroker Crank for KLX110$208.99$208.99$208.99Unit price / perTB 143cc Big Bore Kit,V2 Race Head – KLX110/Z125 Coming soonTB 143cc Big Bore Kit,V2 Race Head – KLX110/Z125$199.99$199.99$199.99Unit price / perTB Tappet Adjustment Wrench Kit Coming soonTB Tappet Adjustment Wrench Kit$26.99$26.99$26.99Unit price / perTrail Bikes Heavy Duty Auto Clutch Kit for CRF50 with Gasket Coming soonTrail Bikes Heavy Duty Auto Clutch Kit for CRF50 with Gasket$91.98$91.98$91.98Unit price / perTB Complete Gasket & Oil Seal Kit, 132cc/55mm – CRF110 Coming soonTB Complete Gasket & Oil Seal Kit, 132cc/55mm – CRF110$49.99$49.99$49.99Unit price / perTB CRF110 132cc 55mm Big Bore and Carb Kit Coming soonTB CRF110 132cc 55mm Big Bore and Carb Kit$389.00$389.00$389.00Unit price / perTB 143cc V2 Race Head Upgrade Kit Coming soonTB 143cc V2 Race Head Upgrade Kit$479.99$479.99$479.99Unit price / perTrail Bikes 88cc Big Bore kit 20mm Carburetor Kit and Race Cam Performance Kit Coming soonTrail Bikes 88cc Big Bore kit 20mm Carburetor Kit and Race Cam Performance Kit$251.99$251.99$251.99Unit price / perTB 143cc Bore Kit, Mikuni VM26 Carb Kit, and our new Performance Cam Coming soonTB 143cc Bore Kit, Mikuni VM26 Carb Kit, and our new Performance CamFrom $434.99From $434.99$434.99Unit price / perTB 143cc Bore kit w/ 26mm Carb Kit – KLX110 Coming soonTB 143cc Bore kit w/ 26mm Carb Kit – KLX110$331.99$331.99$331.99Unit price / perTB Top End Gasket Kit, 58mm – CRF110 All Models Coming soonTB Top End Gasket Kit, 58mm – CRF110 All Models$18.99$18.99$18.99Unit price / perTB CRF110 132cc 55mm Big Bore with Big Valve Kit and Carb Kit Coming soonTB CRF110 132cc 55mm Big Bore with Big Valve Kit and Carb Kit$414.99$414.99$414.99Unit price / perTB 147cc Big Bore Kit – CRF110 Coming soonTB 147cc Big Bore Kit – CRF110$219.00$219.00$219.00Unit price / perTB Gasket, Clutch Cover – KLX140 Coming soonTB Gasket, Clutch Cover – KLX140$10.99$10.99$10.99Unit price / perOEM Cam Chain – 02-09 KLX110 / KLX140 Coming soonOEM Cam Chain – 02-09 KLX110 / KLX140$23.99$23.99$23.99Unit price / perTB Stock Head, 88cc Bore Kit, 20mm Carb Kit & Cam Coming soonTB Stock Head, 88cc Bore Kit, 20mm Carb Kit & Cam$251.99$251.99$251.99Unit price / perAFT Oil Pump, High Volume – KLX110 & Z125 Coming soonAFT Oil Pump, High Volume – KLX110 & Z125$74.99$74.99$74.99Unit price / perTB 120cc Bore Kit - XR/CRF100 Coming soonTB 120cc Bore Kit - XR/CRF100$179.99$179.99$179.99Unit price / perTB KLX140 Big Bore Kit, VM26 Carb Kit, & Performance Camshaft – All KLX140s Coming soonTB KLX140 Big Bore Kit, VM26 Carb Kit, & Performance Camshaft – All KLX140s$424.99$424.99$424.99Unit price / perTB Allen Head Bolt Kit, Case Covers – KLX110 Coming soonTB Allen Head Bolt Kit, Case Covers – KLX110$15.99$15.99$15.99Unit 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.