Park Tool Chainrng Lockring Tool Option:LRT-4 making it easy to insert

making it easy to insert the disk between the pads when reinstalling a caliper or wheel

With quicker brake engagement and shorter free stroke

it's about grip

(They really do work incredibly well with a phone

Park Tool Chainrng Lockring Tool Option:LRT-4 making it easy to insertPrecisely machined for a perfect fit, the LRT 4 removes and installs lockrings found on many Shimano direct mount chainring systems. Features a 36 mm hex fitting for use with the Park Tool TWB 36 Crow Foot and a torque wrench (each available separately) to achieve proper torque. Precisely CNC machined from 6061 aluminum for a perfect fit and to prevent marring expensive parts, with a machined flat face for optimal lockring engagement.