The Catalyst Pro is the original Catalyst brake rotor that set new standards for performance and durability thanks to its two-piece construction and braking surface thickness that is optimised to suit each diameter

strong enough for burly trail riding

16g cartridges are perfect for high-pressure tyres

Designed with feedback from World Cup racers

Wolf Tooth Gnarwolf ISCG 05 Chainguide - ISCG 05 - 28-36T - Black PLP|Model Year The Catalyst Pro is theChainguides are usually associated with gravity types of riding but at only 44g, there's no reason not to use the Gnarwolf on any 1x ISCG 05 equipped bike! The Gnarwolf is built from 7075 T6 allow and uses stainless hardware. The guide is extremely easy to install and only requires a 4mm Allen key. The guide also avoids the use of shims making installation simple. Features: For all 1x bikes that have ISCG 05 mounts. 44g. 7075 T6 alloy, Stainless