Mechanical rear derailleur

This derailleur is lighter and more rigid, with the most effective and fastest shifting - This helps shifting action feel light and nearly effortless, even under heavy loads - It is designed for smooth, easy gear changes

The Shimano ST-R8150 Ultegra Di2 STI Shift/Brake Lever offers precise and responsive shifting and braking control. This 12-speed right lever is designed for front shifting and rear braking purposes.

Precise rear derailleur chain‑gap adjustment gauge for SRAM Eagle 50–52 T and mechanical 50–52 T systems, enabling accurate B‑gap setting to ensure optimal shifting performance.

Upgrade your 12‑speed SRAM GX derailleur to wireless AXS with this conversion kit, featuring a lightweight aluminum housing, precise shift tuning, and seamless integration for smooth gear changes.

The Shimano GRX ST-RX600 mechanical shift and hydraulic STI lever is a versatile component designed for gravel cycling.

The Shimano GRX ST-RX600 is a mechanical shift and hydraulic STI lever designed for use on 11-speed bikes.

The Shimano GRX ST-RX400 is a mechanical shift and hydraulic STI lever designed for 2-speed left hand use. This high-quality component features a 10-speed front shift and rear brake system, providing precise control and smooth shifting performance.

The Shimano GRX ST-RX400 is a 10-speed, right-hand mechanical shift hydraulic STI lever designed for precise and responsive shifting. Ideal for cyclists seeking reliable and efficient performance in various terrain conditions.