Do 11 speed road groupsets need special hub?
Yes I’ve fitted new dura ace 11 speed to my bike and had to change freehub on my wheels(giant p-slr1) from 10 speed to the 11 speed freehub+end cap
My race wheels I ordered in anticipation of new groupset and made sure they were 11 speed compatible(come with spacer to run 9/10 speed) if you wish..
11 speed shimano the freehub is 1.85mm longer..
Mavic wheels can run 9/10/11 no problem as they already have longer freehubPosted 4 years agoMister PMember
Fulcrum website says they are 11 speed compatible.Posted 4 years agoDanWMember
Do you have a small spacer installed on your Fulcrum Freehub before you put the cassette on to run your 10 speed set up?
If so, just remove it and you can use an 11 speed cassette fine (just like on a Mavic hub).
If there is no spacer on the freehub to run 10 speed correctly then you’ll need a new longer freehub.
I’m not familiar with Fulcrum hubs but I reckon the presence or not of a spacer is the easiest way to tell if your current freehub is ok for 11 speedPosted 4 years agoSamBMember
My Zipps and Chris King R45s both needed new freehub bodies to move from Shimano 10 to 11 speed. That’s not much help wrt Fulcrums though 😛
As DanW says – presence of a spacer behind your current 10-sp cassette is probably the best indication of whether it’s 11-sp compatible.Posted 4 years agowobbliscottMember
I’ve recently swapped out Tiagra for 105. The Tiagra 10 spd cassette had a spacer fitted, the 105 cassette didn’t come supplied with one, so I wasn’t sure if the spacer belonged to the hub or the cassette. Some research said that for some reason some Shimano 10 spd cassettes require a spacer, including Tiagra, and some don’t including 105. So the spacer was transferred over with my Tiagra cassette and my 105 cassette was installed without a spacer.
So I don’t think the fact you’ve a spacer with your Shimano cassette necessarily means its 11spd compatible.Posted 4 years ago
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