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Deraileur for 42 sprocket cassette?

Old 08-03-19, 01:17 PM
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Deraileur for 42 sprocket cassette?

What deraileur do I need for this kind of cassette on a frame for 8 speed cassette? or can I get a longer hanger?
8 Speed Cassette 11-42T MTB Cassette
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Old 08-05-19, 11:08 AM
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odd that no one knows .....
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Old 08-05-19, 12:38 PM
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I'd probably try a long or medium cage deraileur with possibly a wolfs tooth extender. There's calculators out there which can tell you what the total spread of your gears can be front and rear. You need to stay within that limit to remain within MFG specs...

Wished I could help more but I know there's others who have more details on this.
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Old 08-05-19, 01:07 PM
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What's rest of your drivetrain? Shifter(s) and crankset specifically.
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Old 08-06-19, 12:29 PM
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probably need to get one designed to handle a 42 rear and of course make sure shifters are compatible

like a sram apex at $70 https://www.jensonusa.com/SRAM-Apex-...RoCkPEQAvD_BwE

shimano at similar $70 https://www.jensonusa.com/Shimano-XT...BoCbokQAvD_BwE
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Old 08-13-19, 12:05 PM
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Originally Posted by well biked
What's rest of your drivetrain? Shifter(s) and crankset specifically.
The only crank sprocket I use is a 32t heavy duty for electric bicycles. there is a problem of wearing out my sprockets too fast because of the motor is so strong. I may need to go to a heavy chain single speed.
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Old 08-15-19, 02:03 PM
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There was a seller on Amazon who was packing these cassettes with a knockoff of Wolftooth's Roadlink.
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