Singletracks Mountain Bike News, Reviews, MTB Trails and Community › Protected: Forums › Mountain Bike Forum › Rear cassette swap
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April 6, 2019 at 21:34 #259975
I just got a new 2016 Trek Top Fuel 9.9. It’s a huge upgrade from my 2013 Epic. The problem is going to from a 2×10 with lots of climbing ability to a 1×11 without that range. The cassette is a Shimano XTR with a 11-40 tooth range. The 40 tooth isn’t enough for this old fat guy to climb. Anyone know how hard it is to swap it out for one with at least a 42-44 tooth creeper gear?
Thanks.
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April 7, 2019 at 08:03 #259976
Have a read on this page —-> https://www.wolftoothcomponents.com/pages/giant-cog
I’ve installed WolfTooth with no problems, and I’m far from a pro mechanic.
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April 7, 2019 at 23:03 #259989
Thanks. I’ll look into it.
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April 8, 2019 at 07:12 #260018
Shimano makes a 46 tooth cassette. You will need to lengthen your chain. Smaller chain ring would work . You may need to shorten chain. Smaller chain ring will have more impact on suspension . A touch more kickback and anti-squat.
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April 7, 2019 at 11:49 #259979
<p style=”text-align: left;”>Another option that might be cheaper is to put a smaller chain ring on the front.</p>
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April 7, 2019 at 23:07 #259991
I did think of that.
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April 7, 2019 at 18:04 #259987
Yeah, the smaller chainring on the front is the easier/cheaper option. Your bike probably came with a 32, and you can go down to a 30 or even a 28.
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April 7, 2019 at 23:04 #259990
I did think of that too.
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April 8, 2019 at 10:30 #260056
Have you considered converting to the Sram Eagle NX drivetrain with an 11-50 cassette. You would need a new shifter, derailleur, cassette, and maybe a new chainring. Eagle NX is not expensive.
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April 8, 2019 at 14:47 #260078
My favorite 11 speed cassette for converting 2/3x to 1x is e*thirteen’s TRS cassette. It has cogs from 9 to 46 (511% range), so you can run a smaller chain ring, maintaining some ground clearance. But I think it’s still only available as an XD.
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