GREHUA

GREHUA 80/100-12 rear inner tube is a durable, puncture-resistant replacement tube designed to fit 12-inch dirt and pit bike tires including 3.00-12 and 80/100-12 sizes. This inner tube is built for small off-road motorcycles and pit bikes — it suits a broad list of...

GREHUA 28mm Exhaust Muffler Assembly is a complete replacement exhaust system sized for 50–125cc pit and dirt bikes, offering durable metal construction, a 28mm inlet, and included heat wrap and mounting hardware. If you need a practical, ready-to-install exhaust for small-displacement bikes, this GREHUA...

GREHUA’s 28mm exhaust muffler is a complete replacement system—including header and heat wrap—designed to fit many 50cc–125cc pit and dirt bikes with a 28mm inlet. This exhaust kit provides a ready-to-install muffler, exhaust header, mounting hardware and a heat shield wrap. Built from welded...

GREHUA's 3-bolt starter motor with matching solenoid relay is a drop-in replacement that restores reliable electric starting to compatible 50–125cc Chinese ATVs, go-karts and pit bikes. This starter assembly includes a compact 3-bolt motor, a solenoid relay and the A7TC connector—built from metal and...

GREHUA's 4" rear drum brake band and 45# steel sprocket hub kit is a complete replacement assembly designed to fit 1" bore, 1/4" keyway go-kart axles for Predator 212cc/196cc and compatible Manco/Azusa models. This kit brings together the brake drum, brake band, cable and...

GREHUA's 420 mini bike rear drive chain is a heavy-duty, 90-link replacement kit with a breaker and master links designed to fit 200–212cc clone engines and popular mini bike models. This replacement chain kit gives worn or stretched drive chains a reliable, factory‑style upgrade....

GREHUA's 420 split 42-tooth sprocket with matching aluminum hub adapter lets you change gearing on mini-bikes and go-karts quickly without removing the axle. If you need a reliable replacement or want to alter final drive ratio on small off-road machines using 420 chain, this...

GREHUA 60-tooth #35 rear sprocket designed to restore drivetrain performance on 79cc–100cc mini bikes, go-karts and drift trikes with a 50mm bolt circle. This heavy-duty replacement sprocket fits a wide range of small engines and frames—made to pair with #35 chain and improve torque...

GREHUA's 60/100-14 (2.50-14) front tire and matching inner tube kit is a complete replacement set designed for 14" mini and small-displacement dirt bikes, delivering durable tread, puncture-resistant rubber, and a straight-valve inner tube with metal valve caps. If you need a reliable front tire...

GREHUA 80/100-12 dirt bike tire and matching inner tube deliver a ready-to-install 12" wheel solution for small motocross and pit bikes requiring 80/100-12 or 3.00-12 sizing. This kit combines a robust 80/100-12 treaded tire with a high-quality rubber inner tube and practical accessories so...

GREHUA's 90/100-14 dirt bike tire paired with a high-butyl 3.00-14 inner tube delivers durable traction and reliable air retention for small-displacement off-road bikes and pit bikes. This tire-and-tube kit is designed as a direct-fit, heavy-duty replacement for a wide range of 80–125cc off-road motorcycles...

GREHUA’s kit pairs a 4" brake band with a 71" throttle cable to replace or upgrade braking and throttle control on small go-karts and mini bikes. This compact combination pack supplies the two most common wearable controls on utility karts: a 4-inch (≈4.2" OD)...

GREHUA’s all-in-one GY6 ignition kit combines a 4+2 pin AC CDI box, starter solenoid relay, 50cc ignition coil, 4-pin regulator/rectifier and two A7TC spark plugs to replace and upgrade electrical systems on 50cc–150cc Chinese scooters, ATVs and go-karts. If your GY6-powered scooter, moped, go-kart...

GREHUA Upgraded Mini Bike Hydraulic Brake Kit is a bolt-on replacement that converts rear mechanical cable brakes to a stronger hydraulic system for Baja Doodle Bug DB30 and similar 97cc–98cc minibikes. This kit supplies a cast-aluminum caliper and master cylinder assembly engineered to increase...

GREHUA's all-in-one ignition coil, starter solenoid, CDI and voltage regulator kit replaces worn electrical components on 50–125cc Chinese ATV and dirt bike engines for a straightforward, plug-and-play swap. If your small four-stroke ATV, go-kart, or pit bike is suffering from weak spark, intermittent starting,...

GREHUA's kit pairs a 42-link 420 roller drive chain with a heavy-duty tensioner to restore proper drive alignment and durable power transfer on Coleman CT200U and many 200cc-class minibikes. This complete replacement set is built for small-engine minibikes that use a 420 jackshaft chain:...

GREHUA's upgrade mini bike clutch cover is a lightweight, ventilated replacement designed to shield the clutch and torque converter on compatible 196–212cc minibike engines. This clutch cover fits a variety of small-engine minibikes and ATVs—Coleman CT200U series, Trail 200, BT200X, Baja/Hensim MB165 platforms, Falcon...

GREHUA rear steel sprocket drum brake hub is a heavy-duty 4" OD replacement hub with a 1" bore and 1/4" keyway, supplied with hardware for Predator 212cc/196cc and similar small-engine go-karts and dune buggies. This compact sprocket hub combines a stamped 45# steel drum...

GREHUA complete tire-and-inner-tube set replaces worn 12" rear and 14" front wheels on small-frame off-road and pit motorcycles. This kit bundles two durable tires plus matching inner tubes and accessories designed for 50–140cc pit, dirt and motocross bikes. Built from a thick rubber compound...