Boxer Bar Ends improve leverage and reduce hand fatigue by increasing hand position versatility for a more comfortable and customized MTB fit. 6061-T6 aluminum construction gives them a sturdiness that keeps you in control the entire ride. Features: 6061-T6 Forged Aluminum construction Offset clamp design allows for more room on the handlebar Specifications: Length: 137mm Material: Aluminum Weight: 161g Color: Black