KMC X12 Colour:Silver predictive electronic gear shifting and

predictive electronic gear shifting and patented automotive-inspired Daytime Running Light (DRL)

Material Innenring Aluminium-Mag-Silicon alloy Material Außenring Martensitic chrome steel

Not compatible with carbon rails

A brilliant idea for all-season

77 kg (w/ Seat Pad and Flat Bar)

KMC X12 Colour:Silver predictive electronic gear shifting andSpecifications: The Non Directional design allows maximum compatibility. The X Bridge system on the outer plate is configured with precisely articulated angles for quicker and smoother gear shifting, and quieter riding. Features: Titanium Nitride (Gold) coated or Nickel Plated (Silver) Includes non reusable 12x Missing Link Double X Durability Non directional Compatible with all 12x drivetrains Weight: 268g (126 links)