Jarrusatula Shimano ALTUS BR-M317 etu mechanical

With a low profile design, the SHIMANO R317 mechanical disc brake is compatible with post mount framesets.Compact design Lower profile (vs. BR-R505) Mechanical disc brake caliperCaliper fixing bolt_Anti loosen method Snap ringCaliper fixing bolt_Tool size 5 mmMount type: Post mountPad_Standard: G03S Resin (INCLUDED)Piston qty.: 1