The Shimano SLX FC-M7100 1 x 12-speed crank with 52 mm chainline and 142 / 148 mm O.L.D stands for highest drive efficiency at low weight. It offers optimum power transmission and maximum speed for the new SLX system. 

Specifications
Chain line: 52mm
O.L.D: 142mm / 148mm (Boost)
Compatibility: 1x12-speed with CS-M7100 cassettes 10-45 and 10-51
Mounting system: Direct mount (Lighter and stiffer design & easy exchangeable chainring by direct mount)

Mfr Claimed Weight
TBC