Hayes Dominion A4 Replacement Disc Brake Caliper - 4-Piston Pads Sold Separately BLK CheckoutTitle=Pirelli Scorpion XC RC Tire - 29 x 2.4 In the 29" variant the

In the 29" variant the special arrangement of the blocks and their elongation have been adapted to the longer footprint

Facing pilot

Backing Plate Material Steel Compound Organic Pad Shape Number 37

gearing refers to how hard your child has to pedal

25mm cover = 25mm total stack

Hayes Dominion A4 Replacement Disc Brake Caliper - 4-Piston Pads Sold Separately BLK CheckoutTitle=Pirelli Scorpion XC RC Tire - 29 x 2.4 In the 29" variant theReplacement disc brake calipers for Hayes Dominion hydraulic brake systems. Replacement caliper only (does not include brake hose or pads) Model Dominion A4 Description 4 Piston Caliper Mount 74mm Color Black