• Achtung, achtung!  :)

    During July 27th 2024 (or 28th, depending on your time zone), hosting server maintenance is planned and the forum will not work normally (we'll set it to read-only mode at best, though it will be completely offline for a while). Hopefully, it will all go well and we will be back on line within less than 8 hours.

    Thank you in advance for your patience.

    Note, this has nothing to do with the planned forum upgrade to version 2.3, which will most probably happen at a later date (probably in Autumn).

    Relja

Double your Hyperglide cassette life! :)

BikeGremlin

Wheel Wizard
Staff member
For those who remember the old Shimano Uniglide cassettes - they had symmetrical splines so you could just flip the sprockets and effectivelly double the cassette life (since sprockets wear only on one side of the teeth - the side where the chain pushes while you are pedalling forward).

With Hyperglide, shimano made the mounting splines asymmetrical - the justification was that it allows for precise engineering of sprocket profiles and "ramps" for smoother shifting, of course, not that they wish to improve the sales.

After that, they just stopped making and selling uniglide freehubs and cassettes - as expected.

But, if you file just a part of one spline on a Hyperglide cassette sprocket, you can mount it flipped. That's what I did here:


I like simple, robust, reliable and durable stuff. Friction shifters and 3x7 or 3x8 drivetrains serve me great for all terrains and weather conditions. :)
 

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