The Reaction Pro is all about the ideal blend of function, versatility and performance. That's why we began with the precision of Shimano's XT 1x12 gears, because they offer an enormous range and an unparalleled reputation for accuracy. We added Shimano hydraulic disc brakes for their reliable all-weather stopping performance to help keep you safe, whether you're out in the hills or battling across town. And we finished with the RockShox Recon Silver 32 air fork, because it combines easy adjustability and a remote lockout with trail-smoothing alacrity. It's the complete package.

Frame

The Reaction frame's elegantly sculpted lines and super-clean tube joints are part of its appeal, sure. But there's solid practicality there, too. For example, the Internal Cable Routing – which complements the tidy aesthetic – includes cable protection inside the head tube. The 30.9mm-diameter seat tube is ready to accept a remote dropper post. Mounting points at the rear are compatible with our Semi-Integrated Carrier 2.1 and ACID mudguards. A UDH and Boost thru-axle rear end with extra-large chainstay protector is built to be both tough and future-proof. And mounting points under the top tube make it simple to add a compatible ACID tool or other accessory. Form and function, perfectly combined.

Specification