Combines micro-diamond pattern and waffle style grip to allow you to hang on to the lip of that berm Features a tapered diameter 29.5mm to 33.9mm with no flange and single sided locking collar Weighs just over 100g Third party online retailers must be preapproved by manufacturer TECH SPECS grip color Red Bull Rampage Black clamp color bronze length 135mm diameter 29.5mm-33.9mm