10pcs M4*4

Alloy is strong but not indestructible so it is important to use black or white grease on the gears and reapply frequently to prolong its life along with proper slipper adjustments

54T: PHBTRX541

#143 72 tooth

Genuine HPI Racing replacement part #109926

Kyosho KYO-SW208 Group A Plastic & Seawind Ready Set O Bulidings 10pcs M4*4Kyosho KYO SW208 Group A Plastic & Seawind Ready Set The Kyosho KYO SW208 Group A Plastic & Seawind Ready Set is a genuine Kyosho replacement part, engineered to restore or upgrade your model to factory specifications. Genuine Kyosho parts are manufactured to precise tolerances, so fit, alignment, and performance stay true to the original design. Keeping your model stocked with authentic Kyosho components makes maintenance straightforward, reduces