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Shimano Disc Brake Adapter - Post Mount F180P/P2

ShimanoDisc Brake Adapter - Post Mount F180P/P2 (Return to Product Page)

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(4 customer reviews)
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Reviewed 7/15/2021
by Etroop
Overall Rating
Just as expected!

Worked perfectly to upgrade my rear disc from 160 to 180 mm.

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Reviewed 9/4/2014
by BillBauman
Casual Cyclist
Portland, OR
Value Rating
Overall Rating
16 of 17 customers found this review helpful.
Works for 140mm to 160mm conversion

I know it's an odd thing to review, but others may be searching for this, as well. I'm not a super bike tech expert, so figuring this out was not obvious to me. This 160mm to 180mm adapter will also work to convert a post mount road bike from 140mm to 160mm. So, for those with the R785, and now the R685 brake systems from Shimano, fitting to 140mm spec'd bikes, you can easily run a 160mm rotor (provided there is frame clearance) with this converter. It's inexpensive, comes with the longer bolts you'll need, and is just as easily adjustable as direct-attaching the brakes. It works in front or rear, again, provided you have the frame clearance, which most road bikes seem to (always check with your manufacturer first).

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Reviewed 6/3/2021
by Anonymous
Cycling Enthusiast
San Luis Obispo, CA
Value Rating
Overall Rating
Fits and functions exactly as promised and expected.

Allows for the use of 20mm larger brake rotors.

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Reviewed 1/7/2021
by Anonymous
Overall Rating
0 of 1 customers found this review helpful.
Great product

Perfect fit just what I needed.

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