Shimano 4-Arm Spider for STePS SM-CRE80 / SM-CRE70 Chainring

Chainring spider for the Shimano STePS SM-CRE80 and SM-CRE80-B as well as the SM-CRE70 and SM-CRE70-B chainrings of the FC-E8000, FC-E8050 and FC-M8050 crank arms. Adapts chainrings with a 104 mm BCD. Available in 2 versions for 50 and 53 mm chainline. Compatibility: Y1VY00010 (for 50 mm chainline): SM-CRE80, SM-CRE80-R, SM-CRE70, SM-CRE70-12 Y1VY00020 (for 53 mm chainline): SM-CRE80-B, SM-CRE80-12-B, SM-CRE70-B, SM-CRE70-12-B Included in delivery: 1 chainring spider Manufacturer item code: Y1VY00010 (for 50 mm chainline) Y1VY00020 (for 53 mm chainline) Material: aluminium