TRP G-Spec TR12 1x12 Rear Derailleur - Shifter Kit - Black - 12 Speed YGroup_7033467043885 1-1/4" and 1-1/2" headset cups

1-1/4" and 1-1/2" headset cups

The heel sits deep in the shoe and shoes hug the foot — this is quite a narrow

Meet your new best friend

1 x Go Pro helmet mount

To work out what size you need:

TRP G-Spec TR12 1x12 Rear Derailleur - Shifter Kit - Black - 12 Speed YGroup_7033467043885 1-1/4" and 1-1/2" headset cupsDerailleur: 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