shimano ultegra 6800 brakes max rim width?

justin_c2000
Posts: 32
i need new brakes because my current brakes aren't able to open wide enough for my 27mm wide wheels. Will ultegra 6800 brakes be able to hold my 27mm wide tubulars?
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27mm wide tubular rim - probably not. If you don't mind me asking why a 27mm tubular rim you will need 30mm tyres on that that pretty much CX width. Tubular rims do not need to be that wide. I am not sure which brakes take rims that wide.http://www.thecycleclinic.co.uk -wheel building and other stuff.0
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Justin, normally these are toroidal carbon rims and the widest part is not the one in contact with the pads... I would assume the brake track width to be somewhere around 25 mm, which should be within reach of any caliperleft the forum March 20230
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the 303s are wider, at 26.45mm at brake track
the new HED stingers are even wider - 28mm at the brake track iirc0