Jagwire Pro Internal Cable Routing Tool ModelNumber=K2558 Featuring an SDS (Switch Drive

Featuring an SDS (Switch Drive System) driver this hub can be converted from RSD to LSD with ease

Patented and award-winning LEV zero-movement cable technology is now available at a truly affordable price point

}Shimano XTR M9250 Di2 Wireless Upgrade Kit - Includes M9250-SGS Rear Derailleur M9250-R Shifter Battery Charger Quick Link

Lightweight at 30 grams

Ring Position/Type Chain Retaining Single RingTooth Count 42Drivetrain Speeds 12Round or Oval RoundChainring BCD 110Material AluminumColor BlackDefined Color Black

Jagwire Pro Internal Cable Routing Tool ModelNumber=K2558 Featuring an SDS (Switch DriveJagwire Pro Internal Cable Routing Tool. The Pro Internal Cable Routing Tool uses a rare earth magnet that attaches directly to cables housing hydraulic hose and electronic shifting wire and can be fed directly though difficult internal setups without the need for a separately routed "lead wire."