SRAM - Avid Post Frame Or Fork To Post Caliper Brake Mount - F 160-180mm - R 140-160mm 160-180mm 180-200mm - Black - Rainbow Bolts - Mount - 20mm Increase YGroup_7033399410733 25mm internal width

25mm internal width

as that is a function of the derailleur mechanics

They are designed for use with Magura brakes and are available in a resin-organic compound:

This naturally puts the rider into an elbows out position which maximises stability and control

precision tool for small bolts

SRAM - Avid Post Frame Or Fork To Post Caliper Brake Mount - F 160-180mm - R 140-160mm 160-180mm 180-200mm - Black - Rainbow Bolts - Mount - 20mm Increase YGroup_7033399410733 25mm internal widthThe SRAM Avid Brake Mounts are genuine hardware to allow you to fit various sizes or brake rotor on your frame or fork. Available in different options to suit both IS (International Standard) and the more common Post Mounts. Post Mounts bolt in towards your frame fork. IS Mounts bolt in perpendicular to your frame fork. To work out what size you need: Check what size rotor your frame or fork is designed to natively accept (look up the specs) Check