Chainline spacer

Enhance your Bosch CX Gen4 e-bike with the E*Thirteen E*Spec Steel Chainline Tray and Spacer, designed for a direct mount. Optimal chainring alignment at 53/55mm improves performance and reduces wear.
The E-Thirteen E Spec Steel Direct Mount Chainring CL 53/55 is a durable steel chainline tray designed for use with the Bosch CX Gen4 motor system.
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