I’ll let pictures do as much of the talking as possible. Shimano 105 Di2 Hydraulic Disc Brake Dual Control Levers (2×12-speed) – Left (front derailleur/brake) and Right (rear derailleur/brake) ...
Ti bolt upgrades don’t have to cost an arm & a leg. Terske will trick out your new SRAM Transmission with $20 Titanium Bolt ...