Bruno BMX Chain Tensioners 3/8" 10mm AXLE Pair

A CNC-machined 6061 aluminum chain tensioner featuring a fully hidden internal bolt system, delivering precise chain adjustment and a clean, low-profile aesthetic for aggressive riding.

The XOUX Chain Tensioner is designed for riders who demand optimal drivetrain functionality and consistent reliability in their wheel setup. Engineered with an innovative sliding shield system and integrated numbered markings, this tensioner provides smooth front-to-back adjustment and accurate rear wheel alignment across street, park, and dirt environments.

Constructed entirely from high-strength aluminum and utilizing a snag-free concealed hardware design, the tensioner combines mechanical durability with protection against impacts and debris. Enhanced by customizable, interchangeable colored shields, it serves as a highly dependable component built specifically to streamline the bike's appearance while maintaining everyday performance.

Fully Hidden Bolt System

Features a fully integrated hidden bolt design that eliminates exposed hardware, delivering a low-profile aesthetic while mitigating snag risks and protecting internal components from impacts and dirt.

Precision Sliding Shield

Incorporates a front-to-back sliding mechanism with integrated numbered markings, facilitating precise axle alignment and ensuring consistent bilateral positioning.

Interchangeable Color Options

Offered in multiple color variations, providing customizable visual configurations to seamlessly integrate with and enhance specific bike aesthetics.

CNC Machined 6061 Aluminum

Precision-crafted from premium 6061 aluminum for an optimal strength-to-weight ratio, featuring an anodized finish to ensure superior corrosion resistance and durability in aggressive BMX applications.

Consistent Chain Tension

Engineered to secure proper chain tension and prevent slippage, effectively optimizing drivetrain reliability and performance across street, park, and dirt riding environments.