CeramicSpeed Pulley Wheels Shimano XT/XTR 12-Speed - 14 Tooth Alloy BLK MFPN=091LBLACK 6 upper/lower upper stack 21mm

6 upper/lower upper stack 21mm color black weight 51g

Model MTN DM1X Ring Type Single (Anti-Chain Drop) Mount 3-Bolt DM 0mm Offset

}TruVativ STYLO Carbon Eagle Boost Crankset - 170mm 12-Speed 32t Direct Mount DUB Spindle Interface Black

Compatible with SRAM T-Type chains Tooth Count 30

CeramicSpeed Pulley Wheels Shimano XT/XTR 12-Speed - 14 Tooth Alloy BLK MFPN=091LBLACK 6 upper/lower upper stack 21mmCeramicSpeed Pulley Wheels for Shimano XT XTR 12 Speed 14 Tooth Alloy Black. CeramicSpeed pulley wheels reduce friction last 3 5 time longer than stock high end pulleys and are designed to work with less drag. Premium Grade 3 Silicon Nitride Ceramic balls Hand built in Denmark TECH SPECS Drivetrain Speeds 12 Fits Brand Shimano