HPI Racing - Heavy Duty Spur Gear, 45Tx5mm, Savage XL (Opt) Hardware & Fasteners Bolts reduces maintenance time

reduces maintenance time

Its precision and performance also make it perfect for 500-size helicopters

For the version with a Silver flywheel order TRX100S308 For the replacement clutch shoes and springs order RTRX100S3

and car stand

You also get flexible vinyl decals to put on the finishing touches

HPI Racing - Heavy Duty Spur Gear, 45Tx5mm, Savage XL (Opt) Hardware & Fasteners Bolts reduces maintenance timeThe more teeth on the clutch bell (or fewer the teeth on the spur gear) the more top speed with slightly reduced acceleration, ideal for smooth surfaces or longer straights. The fewer number of teeth on the clutch bell (or the higher number of teeth on the spur gear) better the acceleration and torque with slightly less top speed, ideal for rough terrain and steep hills.