All Balls Racing Calliper Piston Kit (18-9015) SIZE_25L Wheel bearings typically fail from

Wheel bearings typically fail from water and dirt contamination

The specific models considered unsuitable for Harley fly-by-wire throttles are the "Essential Cruiser" range

Made of 6061-T6 Alloy for superior strength

International security standards agency ART

All Balls Racing Calliper Piston Kit (18-9015) SIZE_25L Wheel bearings typically fail fromPrecision machined from high grade 304 Stainless Steel. Stainless steel reduces thermal conductivity by up to 93% compared to aluminium. Plastic composite pistons are prone to damage and become brittle with age. OEM chrome plated steel and aluminium pistons are prone to corrosion. Eliminates failure prone ceramic inserts found on some KTM models. Each kit contains piston or pistons to rebuild one caliper.