- 29er/27+ swappists – what forks do you run?
I’m desperately trying not to buy a new frame for another niche. Part of this is around fork choice – so, when people have bikes that they swap between the above, what forks do they choose to suit? Boost 27.5s, or 29ers?
I was looking at a Transmitter, with the intention of running 27.5+, but there are a few cheap 29er forks that would fit my purposes at the mo.Posted 1 year agolovewookieSubscriber
all about axle to crown. 29er forks will be slightly longer for the same travel.27.5+ forks should be OK with 29er tyres, but you may struggle with fat (2.5) 29er tyres for height under the brace.
Boost forks will most likely be fine with 27.5+, rockshox recon/reba non boost 29er forks will cope with 27.5 2.8″ nobby nics too.
there are quiet a few threads on MTBR about distance between the fork seals, often the narrowest part of the fork and what tyres fit.
I’d go for 29er boost to be on the safe side.Posted 1 year agonemesisSubscriber
As above, it doesn’t really matter boost or not – I’ve used QR and boost with b+ and 29er and really it makes no difference other than what actually fits the frame.
Currently my plus bike is boost (fork is a RS reba boost or a rigid boost fork) so that’s what I use (29er wheels are non-boost so using them with adapters)
For the forks, the key is having clearance for b+ – that will typically be a fork that can take both b+ and 29er wheels but most of the newer, bigger clearance forks are coming as boost.Posted 1 year agoPimpmaster JazzMember
I’ve used a 29er Marz 320 LCR Carbon, 29er X-Fusion Slide and 29/650b+ X-Fusion McQueen (Boost).
Both 29er forks were 51mm offset and would take a 2.8″ 650b+ tyre. The McQueen has a 46mm offset and takes a 650b+ 3″ tyre as well as a 2.4″ 29er tyre.
All forks were/are 120mm travel.
Other than being a great fork, the shorter offset on the McQueen noticeably improved wheel ‘flop’ and low-speed handling on the bike (67-ish degree head angle hardtail).Posted 1 year agoNorthwindSubscriber
I did it with a set of non-boost 36s, they had plenty of room for a 3.0 Nobby Nic. I trial fitted them into non-boost Pikes and they did fit but the flare at the bottom of the arch was right where the tyre was widest so it was seriously tight.
Which proves Boost is horseshit, all it needed was some changes in crown shape that could have been done with standard spacing, but that’s by the by… These days if I was getting a new fork to do plus in I’d most probably go boost just because that’s where they made the change. and it’s obvious that normal forks are on the way outPosted 1 year ago
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