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Shimano unveils hydraulic road disc brakes & levers

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Shimano unveils hydraulic road disc brakes & levers

Old 07-01-13, 12:22 PM
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Shimano unveils hydraulic road disc brakes & levers

https://www.bikebiz.com/news/read/shi...-behind/015032
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Old 07-01-13, 12:35 PM
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I'm a little surprised that they went with 140mm disks from and rear. I don't think there is enough heat dissipation for road use even with the center lock design. I'm glad they at least offer a 160. I'm sure it will be fine for CX but I'm not sold on disks for road use yet.

My other gripe is that if you want hydraulics, you have to go electronic shifting. Another thing I don't want in CX.

OK, I'm done. Now I'm off to yell at the kids playing on my lawn.
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Old 07-01-13, 01:09 PM
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I'm assuming that the digital shifting and the hydraulic master cylinder are easier to package than a cable shift linkage. I'm not sure I need digital shifting or disks, but it's interesting to watch.
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Old 07-01-13, 01:13 PM
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Agreed. You are correct. The new smaller internal allow for the master cylinder in the normal sized shifter. Unlike SRAM's offering.
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Old 07-06-13, 11:48 PM
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plus, if you are spending money on hydraulic discs for your road or cross bike you're not far from considering di2 anyway.

the main thing about 140 is it's significantly lighter, and i'm not worried about heat dissipation at ALL as long as you use the ice tech pads and rotors they tested. Shimano doesn't muss about when it comes to these things; use the parts they recommend and it will all work to a very high standard.
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Old 07-06-13, 11:59 PM
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meh
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Old 07-07-13, 08:20 AM
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Mechanics .02 .. Using a cross bike for road riding, you can always change the adapter
to suit whatever disc size you want.

the 140 - 160 is just what comes with the package.. it's not compulsory ..


Di2 leaves room in the body for the master cylinder,
mechanical brifter fills it first , so hydraulic master has to go elsewhere ..




last years CX Championship race Pros still used rim brakes with rare exceptions..

Magura, in a Trade magazine, said heat is why their new road time trial/ Tri brake
is hydraulic, thats what they do .. but still a rim brake ..

SRAM offers a Hydraulic rim brake slave , as an option . as said/shown on their website.
looked almost like a regular dual pivot, but for the hydraulic fittings.

Last edited by fietsbob; 07-07-13 at 08:48 AM.
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