Park Tool Chainrng Lockring Tool Option:LRT-4 Precision sizing and a military

Precision sizing and a military grade industrial phosphate finish ensure an accurate fit and consistent quality

paint and carbon fibre

20mm Boost and Torq

Specially treated DARTs don’t just plug large slices and punctures in your tires

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

Park Tool Chainrng Lockring Tool Option:LRT-4 Precision sizing and a militaryPrecisely 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.