Park Tool DT-5.2 Disc Brake Mount Facing Set MFPN=RDRR41RPN32S011377 Compatible with Shimano MTB rear

Compatible with Shimano MTB rear derailleurs designed for 9 or fewer cogs

shells 68mm to 132mm

Tooth Count 36 Round or Oval Round Drivetrain Speeds 12 Drivetrain Speeds 11 Drivetrain Speeds 10 Direct Mount Type Direct Mount SRAM Defined Color Black Ring Position/Type Single Ring Position/Type Chain Retaining Single Ring Offset 6 Chainring BCD Sram Direct Mount Color Black Material Aluminum Material Aluminum Chainline/Hub Compatibility 135/142 MTB Hubs Chainline/Hub Compatibility 150/157 DH Hubs Chainline/Hub Compatibility 170/177 Hubs

Brake Track Non-Machined Color Hard Black Defined Color Black Hub Drilling 36 ISO Diameter 406 / 20" BMX Manufacturer Spec ERD (mm) 390 Rim Center Offset (mm) 0 Rim Material Alloy Tire Type Clincher Valve Standard Schrader Weight 500 Wheel Size 20"

34mm wide 383mm ERD

Park Tool DT-5.2 Disc Brake Mount Facing Set MFPN=RDRR41RPN32S011377 Compatible with Shimano MTB rearPark Tool DT 5. 2 Disc Brake Mount Facing Set. Engineered and built to accurately face front or rear disc brake mounts to be precisely aligned to rotor.