SRAM Braze-on Adaptor Wide Spacing 31.8mm Model=BKM-1.2 Hydraulic Brake Bleed Kit - Mineral CPSC Safety Standard for Bicycle

CPSC Safety Standard for Bicycle Helmets for Persons Age 5 and Older Helmet Style Mountain Maximum Head Circumference 55 Defined Color Gray

giving you unbeatable comfort

11–34 Chain Shimano CN-M8100 Brakes Shimano Ultegra hydraulic disc

Cage Length Long Chain Wrap Capacity (teeth) 42 Color Black Drivetrain Speeds 12 Largest Cog 52 Rear Der/Shifter Compatibility SRAM X-Actuation Rear Derailleur Mount Type 10x1 Standard

SRAM Braze-on Adaptor Wide Spacing 31.8mm Model=BKM-1.2 Hydraulic Brake Bleed Kit - Mineral CPSC Safety Standard for BicycleUseful on some bikes with 135mm rear dropout spacing that have cranks with longer spindles. Front Derailleur Clamp 31. 8 (1 1 4") Clamp Size 31. 8Mm