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140 Ultegra disc on the front?

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140 Ultegra disc on the front?

Old 07-27-20, 12:12 AM
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tyllvo
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140 Ultegra disc on the front?

Hello!
i was wondering if one of you here in the forum can help me. I want to install a 140 Ultegra disc on the front instead of the standard 160mm.
i have heard some rumors that it is supposedly very easy and I just need to rotate a part of the caliper??
any ideas?
cheers
Tyll
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Old 07-27-20, 09:34 AM
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Iride01
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Welcome to BF....

Read the description of each sub-forum and post in the right one. Surprisingly, many of those that can answer your question don't frequent this sub-forum as this is about fitting YOU to the bike.
Fitting Your Bike Are you confused about how you should fit a bike to your particular body dimensions? Have you been reading, found the terms Merxx or French Fit, and don’t know what you need? Every style of riding is different- in how you fit the bike to you, and the sizing of the bike itself. It’s more than just measuring your height, reach and inseam. With the help of Bike Fitting, you’ll be able to find the right fit for your frame size, style of riding, and your particular dimensions. Here ya’ go…..the location for everything fit related.
Maybe a moderator will move this for you. You want this forum....

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Old 08-06-20, 12:03 AM
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mattscq
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Originally Posted by tyllvo View Post
Hello!
i was wondering if one of you here in the forum can help me. I want to install a 140 Ultegra disc on the front instead of the standard 160mm.
i have heard some rumors that it is supposedly very easy and I just need to rotate a part of the caliper??
any ideas?
cheers
Tyll
It depends on if your caliper is mounted directly to the frame or if there's this removable bracket it's mounted to. If the latter, the bracket will often say something like (this side up for 140/160mm etc.) and you should be able to just reverse the caliper and remount it with the other side up.

Why would you want to swap to a smaller rotor though? Is it just to match the rear? My understanding is that larger rotors = better braking. It might not be the best idea to mess with that.
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