Park Tool CM-5.3 Cyclone Chain Scrubber R1 The Dura-Ace R9100 series of

The Dura-Ace R9100 series of flat mount disc brakes bring powerfully integrated brake performance to the highest rungs of road cycling

A long press of the single button will turn the light on and off

together with the Ergopower control “reach” that can be adjusted to suit hands of different sizes

DuraSkin - Tyres with DuraSkin sidewall protection have to be able to roll with the punches

Park Tool CM-5.3 Cyclone Chain Scrubber R1 The Dura-Ace R9100 series ofCleans bicycle chain quickly, easily, and effectively without the hassle and mess of removing the chain from the bike. The Cyclone uses a large solvent reservoir, hundreds of rotating bristles, and a two step cleaning process to get chains really clean, improve shifting performance, and extend the life of the chain and other expensive drivetrain parts. Specifications Works with all multi speed bikes (5, 6, 7, 8, 9, 10, 11, and 12 speed) as well as