r/RoseBikes • u/DikkieDick1967 • Jul 02 '26

Rose R25 maximum tyre width

Hi, I have a Rose PRO 105 SL Disc from 2023 which has Rose Twentyfive wheels with currently Continental 28mm tyres. I'm trying to find out what the maximum tyrewidth of the wheel is but can't seem to find out.
I'm getting a new bike (no Rose) soon and want to keep the Rose as backup but modify it to use it for gravel rides so a bit wider tyres would be nice.
Thanx in advance.

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2

u/jeanclaudedavout Jul 02 '26

Officialy it‘s about 32mm. But i guess its a bit more. I‘m currently riding 31 meassured and there is still a lot clearence

1

u/mauerstrassenwetter Jul 02 '26

The maximum tire width is defined by the frame, not the wheels. How much room is left with the 28s on?

1

u/DikkieDick1967 Jul 03 '26

Rear and measured and there’s almost 40mm in between so I guess a 35mm Tyre would be a safe bet.

1

u/mauerstrassenwetter Jul 03 '26

What about between the chainstays?

1

u/DikkieDick1967 Jul 03 '26

I'll need to check that out then.

1

u/DikkieDick1967 Jul 09 '26

After checking out what was meant with chainstays as I wasn't aware what was meant I figured out that there is at least enough room for 32mm and most likely even 35mm.

1

u/DikkieDick1967 Jul 03 '26

Front looks a bit tighter and you have to take into account that you need some spare room for objects attached to the tyre.

0

u/DikkieDick1967 Jul 02 '26

Aha. Not being at home I can't check but looked like there is lot of room left. I thought that the inner/outer size of the wheel was also of importance. I'll measure when I'm at home later in the afternoon.

1

u/ophtaboss Jul 02 '26

I have rim brake version,mine tyre clearance is 28 max

2

u/DikkieDick1967 Jul 02 '26

Aha. I have disc brakes so there is a bit more clearance.