185mm Rear Brake Disc Rotor Steel Alloy High Strength for 50cc160cc Dirt Pit Bike Motorcycle f26 Item Type: Brake DiscMaterial: SteelAlloyBrake Disc Diameter: Approx. 185mm/7.28inDiameter of Fixing Hole: Approx. 10mm/0.39inFixing Hole Pitch: Approx. 70mm/2.76in (4 Bolts are Fixed on the Rear Hub)Inner Diameter of Brake Disc: Approx.75mm/2.95inThickness: Approx. 4mm/0.16inInstallation Position: RearApplication: Forged with steel alloy, perfect aftermarket replacement parts, can be used for replacement, refurbishment, repair and other applications, with better braking performance and riding experienceFitment:Chinese 50cc 110cc 125cc 140cc 150cc 160cc Pit Dirt Bikes (Such As Chinese Replacement for CRF50, Replacement for SSR, Replacement for YCF, Replacement for IMR, Replacement for Atomik, Replacement for Thumpstar, Replacement for BSE, Replacement for Apollo, Replacement for Kayo, Replacement for Stomp, Replacement for Piranha, Replacement for DHZ, Replacement for GPX, Replacement for Pitster Pro, Replacement for SDG, Replacement for Braaap, Replacement for Taotao, Replacement for Coolster, Replacement for Lifan, Replacement for YX, Replacement for Ect and Many Other Chinese s).