Disc Brake Caliper Mounting Bracket and Spacer Configuration · Disc Brake Caliper Mounting Bracket and Spacer Configuration Use the charts below to identify the parts you intend
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The fork and frame mounting specification is determined by the fork/frame manufacturer, and is not a reference to the rotor size. Consult your manufacturer for the proper mounting specification for your fork/frame.
Determine your desired rotor size ensuring it is compatible with your fork/frame.
WARNING - CRASH HAZARD
9-13 mmThere must be 9-13 mm of mounting bolt thread engagement when mounting brake calipers to forks and frames either with or without brackets and/or spacers. Riding a bike with improper bolt engagement can allow the brakes to disengage from the bicycle, which can lead to a crash and serious injury or death to the rider.
Disc Brake Caliper Mounting Bracket and Spacer Configuration
Use the charts below to identify the parts you intend to use, then reference the charts on the reverse side to determine the bracket and/or spacer configuration to mount your disc brake caliper to your frame/fork. Consult your retailer for the proper rotor sizes for your bicycle.
Fork and Frame Mount Rotor Size
International Standard Mount (IS)Post Mount
Mounting Hardware
CPSStandard
Direct Mount (Direct) Post Spacers (S) Post Brackets (P)
No post brackets or spacers are needed to attach the caliper to the frame or fork.
Some rotor sizes require the use of spacers to fit the caliper on the frame or fork.
Some rotor sizes require the use of post brackets to fit the caliper on the frame or fork.
International Standard Bracket (IS)
SRAM brakes are Post Mount. To convert an IS frame or fork to Post Mount, an IS bracket is required.
Inline tabs
CPS washers are needed between the caliper and mount (unless otherwise specified).
Offset tabs
No CPS washers are needed between the caliper and mount (unless otherwise specified).