Park Tool Steel Bottom Bracket Tool BBT-135-12 CheckoutSpec= Charger Damper (with turned indicator mark) 80mm diameter roller drum provides

80mm diameter roller drum provides moderate resistance without the need for an exterior resistance unit

Level Ultimate Stealth 4-Piston combines SRAM's top tier Level Ultimate Stealth lever and carbon blade with a 4-piston caliper to provide superior power to weight performance

A:Wall - A butyl layer within the casing ply provides the ultimate sidewall protection

Angular contact cartridge bearing

2 piston forged monobloc caliper

Park Tool Steel Bottom Bracket Tool BBT-135-12 CheckoutSpec= Charger Damper (with turned indicator mark) 80mm diameter roller drum providesConstructed from precision machined 4140 steel the BBT 135 12 is a heavy duty tool for the removal and installation of select bicycle components with an 12 notch tool fitting Features an extra deep body to accommodate extra wide spindles and low profile walls at the point of engagement for recessed lockrings Fits 12 notch threaded bottom bracket tool fittings with a major diameter (outside of notches) of 4850mm and a minor diameter (inside of notches)