SunRace M900 Rear Derailleur - 9-Speed Medium Cage Black CheckoutSpec= Single Sided Lock-On The Abus Goose lock is

The Abus Goose lock is made up of 4 parts

}Avid Disc Brake Pads - Organic Compound Steel Backed Quiet For Juicy and BB7

}ESI Silicone Tape: 36 Shop Roll Black

get up to 7 nights of battery life

Wrist width is adjusted easily with Velcro

SunRace M900 Rear Derailleur - 9-Speed Medium Cage Black CheckoutSpec= Single Sided Lock-On The Abus Goose lock isSunRace M900 Rear Derailleur 9 Speed Medium Cage Black. The SunRace M9 Rear Derailleuris designed for 9 speed MTB drivetrains. TECH SPECS Largest Cog 51 Color Black Rear Der Shifter Compatibility Shimano Mountain Rear Derailleur Mount Type Shimano Rear Direct Mount Drivetrain Speeds 8 Drivetrain Speeds 9 Weight 270 Cage Length Medium