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I am new and got the wrong sized hub for my fork (lemmy.world)

submitted 1 month ago by SolidShake@lemmy.world to c/mtb@lemmy.world

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story; i got my first mtb last year. i got a GT avalanche 27.5 [i started with an ozark trail] buddy gave me a rockshox recon fork. fast forward to now, i purchased a thru axle wheel, i did not know hubs where different sizes. so my fork is 15x110mm and the hub in the wheel i got is 15x100mm.

am i fucked? do i have to return the wheel and shop for another brand? [i matched what was on my bike which is WTB]. so i get a new hub and have a shop put it on and true the wheel? or can i get 2 5mm spacers for each side?

thanks. im still learning.

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[–] SolidShake@lemmy.world 2 points 1 month ago (2 children)

Yeah I did a return submission and ordered the correct wheel. Was $2 cheaper too. Can I ask you, I really enjoy 27.5 over 29 wheels. My buddy gave me a fork that doesn't say 27.5/29 it only says 29. Is that still okay?

[–] theskyisfalling@lemmy.dbzer0.com 1 points 1 month ago

Nice, good to hear!

Yes that absolutely will be fine. You will have a little bit more room above the tyre and below the arch section of the fork than you may have on a fork that was made specifically for 27.5 but functionally it will all work absolutely fine for you.

The only thing I would check is your tyre clearance to make sure it isnt fouling on either side but unless you are running super wide tyres this shouldn't be an issue either.

[–] fake_meows@lemm.ee 1 points 1 month ago

Comparing a 27.5 and 29 fork, assuming that they have exactly the same travel amount:

The axle-to-crown (leg length) is slightly longer on a 29 fork. The axle offset is slightly shorter on a 29 fork. The steerer tube is thicker walled (internally) on a 29 fork. The arch/brace height is higher on a 29 fork.

The first two are subtle changes to the steering geometry. Putting a 27 wheel on a 29 fork will give slightly slow / floppy steering. It will still work.