Specialized Stumpjumper Evo Carbon bottom bracket cover

The bottom bracket cover for the Specialized Stumpjumper EVO Carbon model year 2021 (MY21) is a protective component specifically designed for this carbon trail/all-mountain bike frame. It is a molded plastic or composite guard that fits snugly beneath the bottom bracket area, where the down tube, seat tube, and chainstays meet.

Features

Protection: Shields the frame from impacts, debris, and contact with rocks or roots during off-road riding.
Integration: Designed to match the frame's shape, providing a clean, aerodynamic look.
Mounting: Usually secured via bolts or snap-fit into pre-set mounting points on the frame.
Compatibility: Specifically made for the Stumpjumper EVO Carbon MY21 frame; not compatible with earlier models or aluminum frames.
High-strength reinforced polymer or plastic composite, durable and impact-resistant.