E*thirteen Helix R Guidering (52/55 Flip Flop) 32t - Bronze Model=Tap Handle Endurance wheelsets have Aero 111

Endurance wheelsets have Aero 111 29mm front tire and GP 5000 STR 30mm rear tire (Front & rear sold separately)

Compatible with drop bar bikes that have 1x or 2x in mechanical or electronic shifting

Invisa-lite shin guards feature harder durometer 3D foam on the outside and an inner softer layer for comfort

Stem includes 5 swappable elastomers to fine tune your riding style Stem Angle (deg) -6 Length 70 Material Aluminum S

The results of internal testing show an improvement in rolling performance of 5%

E*thirteen Helix R Guidering (52/55 Flip Flop) 32t - Bronze Model=Tap Handle Endurance wheelsets have Aero 111E*thirteen QuickConnect Direct Mount rings include 1mm spacers, which allows them to be run on legacy cranks (TRS LG1 XCX), as well as Helix and Helix R cranks 3 bolt direct mount chainrings fit SRAM and other similar interface cranks Tooth profile is compatible with both Shimano and SRAM chains in both 11 and 12 speed Can be flipped to provide either a 52 or 55mm chainline Model Helix R Ring Type Single (Anti Chain Drop) Mount QuickConnect