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Shimano Flat Mount 160 mm To Flat Mount 180 mm disc brake caliper adapter

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Features of Shimano Flat Mount 160 mm To Flat Mount 180 mm

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Specifications Shimano Flat Mount 160 mm To Flat Mount 180 mm

Features of Shimano Flat Mount 160 mm To Flat Mount 180 mm

Color Black

Color

Black

Product Type Adapters

Product Type

Adapters

Product description of Shimano Flat Mount 160 mm To Flat Mount 180 mm disc brake caliper adapter

Description summary

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To the delight of riders and mechanics alike, the new ULTEGRA BR-R8170 caliper delivers enhanced modulation, a quieter brake system, and an easier than ever bleed process.

The ULTEGRA R8170 disc brake caliper brings a new level of control to the road cycling world with enhanced modulation and a quicker initial braking point. Despite its smaller construction, the system is quieter than ever and easier to maintain.


Specifications:

- Average weight 146 (Front) 136 (Rear)
- ICE TECHNOLOGIES pad compatible caliper: yes
- Brake hose (Kit): SM-BH90-JK-SSR
- Brake type: Hydraulic disc brake
- Caliper fixing bolt_Anti loosen method: Bolt fix pin, snap ring
- Caliper fixing bolt_Tool size: 4 mm
- Fixing screw spec for rear mount_10 mm mount: yes
- Fixing screw spec for rear mount_15 mm mount: yes

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What our customers are saying about Shimano Flat Mount 160 mm To Flat Mount 180 mm disc brake caliper adapter

Shimano Flat Mount 160 mm To Flat Mount 180 mm disc brake caliper adapter

Original shimano part!

2023/08/25

David

Had 140mm disc brake rotor on my rear brake and now with this adapter i can install 160mm disc brake rotor! Kit complete with adapter, 2 srews and clip. Very happy!

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Shimano Flat Mount 160 mm To Flat Mount 180 mm disc brake caliper adapter

It serves for Slx

2025/05/24

Luis

Good morning, does this adapter fit an SLX Flat rear brake? Regards.

Answer of Mauricio

Hello, yes, for a 180 mm disc adapter, I have one like this installed, regards

Answer of David

Hello, the adapter only fits Shimano brakes (front or rear) (Slx, XT, XTR, Ultegra, 105, GRX, Dura Ace...) flat mount version that normally come mounted on road or gravel bikes. For mountain bikes etc. the brakes use another type of adapter, normally longer.

Shimano Flat Mount 160 mm To Flat Mount 180 mm disc brake caliper adapter

160mm to 180mm rear adapter

2024/11/07

Mauricio

Hello, it is used to adapt a 160mm disc to a 180mm flat mount.

Answer of DAVID

Yes correct

Answer of David

Hello, if you have Shimano "flat mount" brakes such as 105, Ultegra, Dura Ace, GRX etc, yes this adapter works perfectly to change from 160mm to 180mm brake discs.

Shimano Flat Mount 160 mm To Flat Mount 180 mm disc brake caliper adapter

Market from 160mm to 180mm

2024/11/04

Mauricio

Hello, my bike comes with a 160mm flat disc mount, I want to change to a 180mm disc. Will this adapter work for me?

Answer of David

Hello, if you have Shimano "flat mount" brakes such as 105, Ultegra, Dura Ace, GRX etc, yes this adapter works perfectly to change from 160mm to 180mm brake discs.

Shimano Flat Mount 160 mm To Flat Mount 180 mm disc brake caliper adapter

Adapter question

2024/03/07

Antonio

My bike has a flat mount rear brake caliper with a 160mm disc. My question is, if I want to put a 180mm disc on it, will this adapter work for me? Thank you.

Answer of David

Hello, yes there is no problem, with this adapter you have calipers with a 160mm disc and by using this adapter you can start using 180mm discs without any problem.

Shimano Flat Mount 160 mm To Flat Mount 180 mm disc brake caliper adapter

Compatible for shimano di2

2024/01/31

Rafa Ortega

I have a SHIMANO DI2 electronic Ultegra groupset, with a 140 mm rear disc, but I bought some wheels that have a 160 mm rear disc. Is this adapter compatible???

Answer of David

Yes it is compatable. I have the Tarmac SL7 DI2 105 with a rear 140mm brake rotor, put this adapter between the frame and the brake caliper and mount a 160mm rotor and everything works great!

Answer of José Luis

If it is compatible, I made the same change, I had a 140 and I changed it for a 160, it works perfectly. I hope I have clarified your doubt. Greetings, José Luis.

Answer of Juha-Matti

This part does not affect the operation of the gearbox. With this part, you can move the Shimano Ultegra rear brake so that it can accommodate a 160mm brake disc instead of a 140mm brake disc. The transfer is easy and does not require a high level of expertise.

Shimano Flat Mount 160 mm To Flat Mount 180 mm disc brake caliper adapter

This is marketed as a Flat Mount 160 mm to 180 mm adapter but it's really a 160 mm rear adapter. How is it intended to be used?

2023/08/16

Jonas

This is marketed as a Flat Mount 160 mm to 180 mm adapter but it's really a 160 mm rear adapter. I bought this and 180 mm disc rotor thinking I could change my front disc rotor to 180 mm. How is it intended to be used? Should I use both my 160 mm adapter that is already on my fork and this rear adapter to add extra height so it fits a 180 mm rotor?

Answer of José Luis

The piece that appears in the photograph is, as you say, a 160 - 180 mm rear adapter. Disk. The front adapter has nothing to do with this one, the other one is longer and they are to be placed independently of the one you say you have, one should not be placed on top of the other. I hope it has been helpful for you. If you look under this E-mail, in related products you will see BONIN 140 front adapter, you would have to find another with that shape, but 160 - 180

Answer of Nuno

For 180 mm rotor you must use the SM-MA-R180P/S adapter.

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