Type C bolts for Shimano flat mount rear brake assemblies.
Type A: For attaching caliper and fork adapters.
Type B: Front and rear for connecting adapters and calipers.
Type C: For attaching chain stays, SM-MA-R160D / D adapter (sold separately) is also used. Available in different lengths, depending on the specific mount thickness of the frame.
10mm (frame thickness)-Screw length 23mm / Product number: Y-8N208000
15mm (frame thickness)-Screw length 28mm / Y-8N208050
20mm (frame thickness)-screw length 33mm / Y-8N208010
25mm (frame thickness)-screw length 38mm / Y-8N208020
30mm (frame thickness)-Screw length 43mm / Y-8N208030
35mm (frame thickness)-screw length 48mm / Y-8N208040
Compatibility: BR-RS305, BR-RS405, BR-RS505, BR-RS805, BR-U5000, BR-R9170, BR-R8070, BR-R7070, BR-UR300