6/7/8-speed MTB crankset Square taper interface Aluminum outer ring, steel inner rings Bolted outer ring with riveted inner rings 48mm chainline with 113 BB Does not include BB Weight does not include BB SHIMANO Equivalent FC-M361 175x42-32-22 113 SQR JIS BLK 104/64x4B TBD 3x6/7/8