Patented hinge design allows the bike to pivot left or right

Troy Brosnan wanted to create a "unicorn tire" a center tread design that carried speed easily but with edge blocks worthy of world-class cornering speed

Add in microSHIFT's proprietary ratchet-and-pawl clutch

Fit Shimano freehub splines

Wahoo BOLT Combo Mount K13-1600

SHIMANO 105 BB-5500 Bottom Bracket - 68 x 118.5mm - Octalink Orange Seal Patented hinge design allows theCompared to the power transfer of the conventional square taper spindle, the 8 splined OCTALINK interface that connects the bottom bracket and crankset increases the strength and rigidity for the entire assembly.