Derailleur:

Designed to eliminate paint chips and scuffs by protecting frame top tube

This kit can be found online

which is tougher and cheaper than other alloy models on the market

Increased Control: The insert reduces the air volume in the tyre which allows the tyre to behave in a more controlled manner

POC Motion MTB Long Socks - L - Uranium Black Dangerous Goods Derailleur:Offering extra support for all mountain bikers, the sock offers extra cushioning under the sole of the foot for added comfort. A longer, 20cm, shaft length adds an extra layer of protection for your shins. A shorter version, with a shaft length of 17cm, is also available.