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Are there any differences in them? Besides the cost!
1 less tooth on GX smallest gear and requires an xd freehub and lighter weight
1 less tooth on GX smallest gear and requires an xd freehub and lighter weight
This is the key part, need to know which one you can actually fit
Completely different.
NX weighs a metric ton.
NX has an 11t top gear.
NX fits a HG freehub.
GX is quite a lot lighter (still not light, but a lot lighter).
GX has a 10t top gear
GX fits an XD freehub.
You can get the GX ones for ~£100 now if you shop around, I think R2bike have them on sale?
At the other end of the cassette NX is 50T and GX is 52T
NX v hard wearing - mine has 2800 KM on it and seems pretty healthy still
I have a replacement in the shed that i bought during lockdown thinking I'd never have another chance, and that was £96. Bit annoyed.
I bent a cog on a near new NX the other week. Mainly my fault for shirting under load on an ebike but even so I wouldn't say they are robust, not managed to do that on any other cassette in the last 5 years
my fault for shirting under load on an ebike but even so I wouldn’t say they are robust
I've only got wimpy legs so i need to change early to get up things, so I've never managed bent teeth on a cassette.
In reality the difference in weight is only about 150g so not a great deal.
I'll second that the NX is very hard wearing. Got a new bike in 2020 and I'm just needing to replace the cassette now.
I have a brand new, unused, GX cassette sitting here, surplus to requirements, if you are interested.