Shimano
Disc Brake Adapters - Post Mount to ISO

No post mount? No problem. These Disc Brake Adapters make it possible to run Shimano 74mm post mount disc calipers on frames and forks with 51mm ISO disc tabs. Choose either front or rear, and select your rotor size. Hardware included.

Versions:

• Front: 74mm to 51mm - 160mm Rotor (F160P/S, Manufacturer part # ISMMAF160PSA)
• Front: 74mm to 51mm - 180mm Rotor (F180P/S, Manufacturer part # ISMMAF180PSA)
• Rear: 74mm to 51mm - 160mm Rotor (R160P/S, Manufacturer part # ISMMAR160PSA)
• Rear: 74mm to 51mm - 180mm Rotor (R180P/S, Manufacturer part # ISMMAR180PSA)

B-Stock - This product has one or more B-Stock units available. These units can be purchased at a discount (see option select). B-Stock units were returned from other customers and may have missing or damaged packaging materials. These units are otherwise as new. The full manufacturer warranty applies. Click Here for more information.

The product weight specified is an approximate weight based on the manufacturer's specifications (if available) or our measurement of one or two examples. For most products, the weight will typically vary by 5% to 10%.