Handlebar shim alloy aluminium 2.0 31.8 to 35mm

The SQlab Adapter Sleeve was developed to securely fit 31.8mm handlebars into 35mm stems.

Made from high-quality aluminium with a silver finish, it offers a precise fit while remaining lightweight and durable.

The sleeve enables the use of proven handlebars with smaller clamp diameters in modern oversize stems – supporting a customized and ergonomically optimized cockpit setup.

Compatible with proven SQlab handlebars precision fit for secure installation.

Meets ASTM Category 5 (ASTM F2043-13 / DIN EN 17406) as the sleeve itself complies with ASTM 5.