Chaser Lightweight Brake Adapter for Specialized Tarmac SL8 / SL9 / Aethos | 160mm Front Mount

Designed for lightweight Specialized road-bike builds, this Chaser CNC brake adapter is offered for the Tarmac SL8 and Aethos S-Works platform. The source title also references SL9; confirm the exact frame and mount configuration before choosing a version.

Compatibility and rotor conversion

• Front: Shimano / SRAM flat-mount brakes; supports conversion between 140mm and 160mm rotors
• Rear: Shimano / SRAM / Campagnolo flat-mount brakes; supports a 160mm rotor
• Frame fit: Specialized S-Works Tarmac SL8 and Aethos, as specified in the source description
• Other frames: Choose the universal adapter version rather than assuming compatibility

Materials, weights and finish

The adapter is fully CNC machined from aerospace-grade 7075 aluminum with T6 heat treatment for precise caliper alignment, strength and low weight. Listed weights are 7.2g front and 6.9g rear, including screws. Available colors are Black, Silver, Gold, Red, Pink, Purple, Green, Cyan and Orange.

Hardware and installation

Two titanium-alloy screws are included for corrosion-resistant, lightweight fastening. Installation uses a T25 Torx tool and the listed tightening torque is 6–8Nm. Check brake alignment and the frame's specifications before riding.

This precision-machined brake adapter is intended as a performance and appearance upgrade, with secure fitment, consistent braking modulation and a choice of anodized-style colors for customized road builds.