Works with 9

Last/Width type: Standard:38 - 50

but it's probably not required if you don't have matte paint

Only from SRAM

Medium: Up to 5 bikes intended for mid and full-size utes with tailgates 155 cm or less

absoluteBLACK E-Bike Spider - Black - Alloy - Bosch Gen 3 PDP|PLP|Suits Freehub Type Works with 9The Ultimate E bike chainring Spider designed for Bosch Gen 3 motors with 52. 5mm chainline (boost). Super light and durable design. The spider is only compatible with absoluteBLACK Super Steel chainrings. Spider comes with 5 titanium mounting bolts. Chainring sold separately. Specifications: Weight (+ 1g): 41g Compatibility: All Bosch Gen 3 motors with 52. 5mm chainline. Compatible only with absoluteBLACK Super Steel chainrings (proprietary bcd)