The 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)
• Material : CNC machined 7075 Txxx Aluminium
• Finish: type II anodizing

Please note chainrings are sold separately.