With its hollow, high-alloy pins and plates, the ...
super-lightweight KMC X10SL is the lightest 10-speed chain on the market. But its minimal weight isn't the only thing it has going for it. It also resists stretching and improves shifting performance ...
is exclusively used by Trek's carbon road bikes. This bottom bracket uses Cross/MTB seals to protect from dirt and wear associated with CX and MTB riding.