Sram red bb30 road cranksetthe sram red bb30 road crankset features a completely hollow construction all the way to the spider its hidden bolt pattern makes better use of carbon fibre to further improve stiffness and shed weight its also equipped with x glider chainrings which provide seamless flawless performance and compatibility with srams yaw front derailleur this version of the sram red crankset uses the bb30 bottom bracket system and with its larger 30mm spindle it ensures efficie