The Ultimate E-bike chainring Spider designed for Bosch Gen 4 motors with 53mm 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): 35g
Compatibility: All Bosch Gen 4 motors with 53mm chainline. Compatible only with absoluteBLACK Super Steel chainrings (proprietary bcd)
Material: cnc machined 7075 Txxx Aluminum
Finish: type II anodizing

Please note chainrings are sold separately.