Riders and mechanics building or changing a bike with a flat mount fork who want to run a post mount caliper with a 160 mm rotor.
The SM-MA-F160P/D is a black front disc brake mount adapter. In Shimano's naming, F is front, 160 is the rotor size, P is a post mount caliper and D is a flat mount fork, so it lets a post mount caliper bolt to a flat mount fork and run a 160 mm rotor. Shimano's fit chart lists it for flat mount forks and frames of the 140/160 mm type.
It holds your front brake, so fit it following Shimano's dealer manual: the adapter fixing screws and the caliper fixing screws both go to 6 to 8 N·m, and Shimano shows the adapter screws secured with wire. Use it with 160 mm rotors only; Shimano lists a separate SM-MA-F140P/D for 140 mm.
Post mount to flat mount
Lets a post mount caliper fit a flat mount fork.
160 mm rotors
Made for a 160 mm front rotor, and the bracket is marked 160 rotor only.
Shimano part
Shimano's own adapter, part number ISMMAF160PDA, with its mounting hardware.
Clear marking
Printed with the model name and an UP arrow so it goes on the right way up.
Fit
Fitting
Great for
Maybe not for
160 mm rotors only, as marked on the bracket. For a 140 mm rotor Shimano lists the SM-MA-F140P/D, and for the rear the SM-MA-R140P/D and SM-MA-R160P/D.
Torque, wire and a snap ring
Shimano's dealer manual has the adapter fixing screws at 6 to 8 N·m secured with wire, then the caliper fixing screws at 6 to 8 N·m with the rotor held between the pads, then a snap ring. Shimano warns that loose or damaged bolts can make the bike suddenly fall over, and says its dealer manuals are meant for professional mechanics, so have a workshop fit it if you are not sure.
