To determine which type of mount you need just think about what size post mounts your frame/fork has and how much larger the rotor is that you'd like to run

Weigh: 550-628 grams depending on size

double-butted AL 2014 aluminium for a bar that strikes the right balance between strength

you should be able to seal up just about any hole

ROTOR IS NOT INCLUDED

TRP G-Spec TR12 1x12 Rear Derailleur - Shifter Kit - Gold - 12 Speed Virtual Parent To determine which type ofDerailleur: The new TR12 rear derailleur is able to provide a quiet and accurate ride over the roughest trails. The key feature to this pursuit is the Hall Lock. During the Race season, lead mechanic for Intense Factory Racing, John Hall, noticed excessive movement around the b knuckle when riding over rough rock gardens and in tracked out corners. This was leading to more chain skipping and slapping creating possible variances in shifting. This