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Shimano E-MF-TZ31 MegaRange Screw On 7 Speed Freewheel - 14-34T

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Questions & Answers (2) Q & A
Conquer the hills with the super-low 34T gear on this MegaRange TZ31 7-speed freewheel
A reliable 7-speed screw-on freewheel
The Shimano MegaRange system gives you a super-low 34T gear to help you tackle steep hills with ease
Engineered for smooth chain movement up or down the block
For 7-speed gear systems
Can be easily installed onto compatible screw-on type hub
Suitable for mountain bikes and a wide range of other cycles
Gear Ratio: 14/16/18/20/22/24/34T

Requires a Shimano type splined freewheel removal tool. (Shimano's own is SJSC part #870)
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Questions & Answers (2)
09 Feb 2017
Hi I have two bikes one 6 gears 14x28 teeth
one with 7 gears 14x28 teeth, can i fit 14x34 teeth on to both bikes
SJS Customer Service:

This will all depend on your rear derailleur, if this can cope once adjusted wit as large a sprocket as 34T then you'll be fine to fit these.

Width Of Shimano E-Mf-T31 7Speed Freewheel 14-34T. Thanks
04 Jun 2016
Max I can fit is 32/3mm
SJS Customer Service:

Unfortunately I think this freewheel won't be suitable I'm afraid as it measures 34/5mm wide.