Kross Esprit 4 - second rear wheel | MTB komponenty

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dallabeneta • 21. 9. 2020 o 21:31

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Hello all!

I am looking for a second rear wheel so I can use my indoor trainer without the need to change my tire every time. My problem is that I was advised by my mechanic to buy the same hub as the original so I don't have any alignment issues but the specs on the part are pretty generic. (Zadný náboj Aluminium QR 32Hx135x145 mm)

What are your suggestions?

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flyte • 21. 9. 2020 o 22:20

Hi, now worries, this is the most common size for low and mid-end bikes.

QR = quick release / rychloupinak 32H = 32 holes, doesn't matter that much/ 32 dier
135 = 135mm wide / sirka naboja

The last thing we need to know is the wheel size. The spec says either 27,5" or 29". This is written on the tyre as well.

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matko001 • 21. 9. 2020 o 22:48

I'm sorry, but I disagree. The point is, that every hub could have a slightly different spacing, so once you replace the wheel, you'll need to re-allign the brakes and gears.

Would it be possible to provide us at least with some pictures? I really expect to have some basic shimano hub there and that should have the details written on the body in small letters.

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dallabeneta Autor • 23. 9. 2020 o 12:17

matko001 napísal:

I'm sorry, but I disagree. The point is, that every hub could have a slightly different spacing, so once you replace the wheel, you'll need to re-allign the brakes and gears.

Yes, that is exactly what I am trying to avoid, I want a spare wheel to quickly change from MTB to Trainer tire, would not be that useful if I need to align everything back again.

I am attaching the pics, there is nothing written down on the hubs, I hope they will be recognizable. I paid for the bike 350.00 on some nice sale, so I don't expect those to be mid-level hubs =D

Wheels are 29"

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flyte • 23. 9. 2020 o 12:49

Well, but... do you really need extra-precise shifting, and well-aligned brakes on indoor trainer? I´d say not that much.

Basicaly, you need this:
wheel 29": https://www.mtbiker.sk/shop/kolesa-a-rafiky/vypletene-kolesa/mtb-kolesa/29/kellys-zapletene-koleso-zadne-kls-draft-dsc-r-28-29.html
brake rotor 160 mm, 6 holes: https://www.mtbiker.sk/shop/komponenty/brzdy/brzdove-kotuce/force-kotuc-brzdovy-2-160-mm-6-dier-strieborny.html
cassette 9 speed: https://www.mtbiker.sk/shop/komponenty/kazety-a-pastorky/mtb-7-8-9-prevodov/shimano-kazeta-hg200-9-kolo-11-36z-cierna.html
tyre and tube 29": whichever you prefer, somewhere between 1,5-2,1" wide

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matko001 • 23. 9. 2020 o 14:50

flyte: unfortunately I own a set of wheels on hope hubs and second on tune hubs. Difference in cassette placing is more than 1mm. You'll not stay in a stable gear with it. It's just too much.

Brake rotor with 6 bolts is not such a problem - I bought the syntace 6bolt 0.2 mm adapter shims which helped me to have all brake rotors alligned.

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dallabeneta Autor • 23. 9. 2020 o 22:33

I've sent an email to Kross company, they replied me with saying this one is compatible:
http://cxguli.com/content/343.html
I don't think I will find that hub around here. So option would be to buy two wheels or you think I could find something similar with those specs?

GL- B43R-DS/QR 8/9/10/11S
Hub Material Alloy
Gauge 14G
P.C.D 58mm
Flange Spacing 58mm
O.L.D 135mm
Axle Diam 3/8"×145
Axle Material S45C/CrMo
Option B43R-QS for Quick Release Type and Rolling System Sealed Bearings

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matko001 • 23. 9. 2020 o 22:56

I would suggest to:
1. Properly clean your drivetrain with extra care on chain
2. Go to the local bike shop, explain them the situation and ask them, if it would be possible to test it with some wheel they have there. It is needed to have the chain extra clean as the cassette on the testing wheel would get dirty otherwise

If I understand it correctly, you will ask someone to build the wheel for you anyways.