Hayes Dominion A4 Replacement Disc Brake Caliper - 4-Piston Pads Sold Separately BLK CheckoutTitle=Pirelli Scorpion XC RC Tire - 29 x 2.4 Backing Plate Material Steel Compound

Backing Plate Material Steel Compound Organic Pad Shape Number 37

25mm cover = 25mm total stack

BB Inclusion No BCD Direct Mount SRAM 8 Bolt Primary Color Black Pedals Thread 9/16 Connectivity ANT+ BT LE Crank Arm Length 170mm Crankset Material Carbon Teeth 50 Crank Spindle Diameter 28

gearing refers to how hard your child has to pedal

Hayes Dominion A4 Replacement Disc Brake Caliper - 4-Piston Pads Sold Separately BLK CheckoutTitle=Pirelli Scorpion XC RC Tire - 29 x 2.4 Backing Plate Material Steel CompoundReplacement 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