Birzman Diversity 17 Multi-Tool - Black Brand_Insta360 Attaches to the saddle with

Attaches to the saddle with oversized Velcro to keep it secure and bounce free without over design or complexity

backpedal calibration

Rotors: SHIMANO SM-RT64 160 / 160mm

Bearings: Sealed Bearing

comfort，abrasion resistance

Birzman Diversity 17 Multi-Tool - Black Brand_Insta360 Attaches to the saddle withDiversity 17 BM16 FM D17 MK The Diversity 17 has, as its name suggests, 17 features packed into its small lightweight body. Apart from the CO2 valve head, it also offers the rider solutions for tightening bolts, breaking chains, and changing tubes. The CO2 valve head features Birzman's patented 'Activate Valve Function', which releases CO2 with a simple press down on the head, allowing accurate controlled inflation. The head is compatible with both