Main material: 7575 aluminum alloy

Handle diameter: 31.8MM

Auxiliary handle caliber: 22.2

Using precision CNC forging with anti slip pads

Scope of use: Can be installed on road bikes, mountain bikes, field bikes, TT bikes

Package include （as your choosed ,please sure ,thanks ）

Note :the full set does not include the height increase washer and 22.2mm Ring ,thanks !