Abus 9808K/85 Steel-O-Chain Key Lock - Black Compatibility-35mm RockShox }Shimano Sora RD-R3000-SS Rear Derailleur

}Shimano Sora RD-R3000-SS Rear Derailleur - 9 Speed Short Cage Black

and 10mm hex bits T25 Torx bit

And to further this concept

Defined Color Black Spindle Interface Type RaceFace/Easton CINCH Chainring BCD Direct Mount CINCH Color Matte Black Chainline/Hub Compatibility 130 Hubs Chainline/Hub Compatibility 135/142 Road Disc Hubs > 415 mm Chainstay Chainline/Hub Compatibility 135/142 Road Disc Hubs < 415 mm Chainstay Drivetrain Speeds 10 Drivetrain Speeds 11 Weight 534 Number of Chainrings No Rings No Spider Included Crank Intended Use Cyclocross Crank Intended Use Gravel Crank Intended Use Road BB Included No Pedal Spindle 9/16" Crank Length (mm) 170

Abus 9808K/85 Steel-O-Chain Key Lock - Black Compatibility-35mm RockShox }Shimano Sora RD-R3000-SS Rear DerailleurAbus 9808K 85 Steel O Chain Key Lock Black. The Abus Steel O Chain line up offers an outstanding value for the security to weight ratio. The Steel O Chains integrated lock and flexibility provide convenience for the rider. Chain can be wrapped around the seat post for easy and compact transport Durable cloth cover protects bicycle finish from damage TECH SPECS Length 85 Lock Style Keyed Diameter 8