Black ops VB1 Frt or Rr Black 21-35mm MFPN=KS-D640S This advanced derailleur includes a

This advanced derailleur includes a Hall Lock - a lever integrated into the B-knuckle mount that locks out the main pivot bolt to prevent your derailleur from lifting slapping and making noise

Typical battery life 2-3 Years

Conveniently stores the Dart tool on the handlebar or in a pocket/backpack for easy access

Genuine leather wrapped chrome plated steel

Black ops VB1 Frt or Rr Black 21-35mm MFPN=KS-D640S This advanced derailleur includes aForged alloy V brakes with 103mm arms. Brilliantly anodized in a variety of colors. Compatible with 60mm threaded brake pads TECH SPECS Vendor Black ops Manufacture Number Model Name VB1 Category Brakes