The Shimano M770 XT Chainset, a HollowTech innovation which makes the crank lighter through being hollowed.. The most commonly used middle ring is made from a steel/carbon composite for more durability and longevity. The Dyno-Sys system is 10 speed, not just for the sake of it, this is to assist in hill climbs and offers a better range and more options.
A good value rear derrailleur from Shimano, the quality and performance you would expect from the name but at an affordable price. Lightweight and easy to install, this delivers a smooth and reliable gear change.
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