MegaExo 19 Bottom Bracket Options:Full Speed Ahead Metropolis Patterson MegaExo 19 Bbottom Bracket English 68mm Weather-resistant cover with abrasion-resistant side

Weather-resistant cover with abrasion-resistant side material

Combining confidence-inspiring features

allowing you to easily dial-in its performance for any riding style andany terrain

They provide a secure upper attachment point for the rack

A high performance 28h hub and straight-pull spoke system

MegaExo 19 Bottom Bracket Options:Full Speed Ahead Metropolis Patterson MegaExo 19 Bbottom Bracket English 68mm Weather-resistant cover with abrasion-resistant sideFSA (Full Speed Ahead) MegaExo 19 bottom brackets are for use with 19mm diameter spindles. Features steel cups, composite center tube and stainless bearings Due to varying dimensional tolerances between manufacturers, FSA MegaExo bottom brackets are not compatible with any other brand of crankset Compatible with Gamma Drive cranks Different models of MegaExo bottom brackets are designed to be specific to each model of FSA crankset