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The Shimano Ultegra CS-6700 10-Speed Bicycle Cassette is crafted with a rigid alloy sprocket carrier for a more lightweight, durable profile that enables smooth, more efficient gear shifting.
This innovative upgrade on Shimano’s classic 660 and SL versions features reduced weight, ni-plated Hyperglide sprockets with improved teeth shaping and revised ramps for smoother, quicker and more accurate shifting.
For more information on how to keep your bike running smoothly, click here to see PBK's expert advice on taking care of your chains and cassettes.
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170 ReviewsSee all reviews
Where reviews refer to foods or cosmetic products, results may vary from person to person. Customer reviews are independent and do not represent the views of The Hut Group.
Works fine and fitting was straightforward ( with the right tools).
Very good quality for price. Quieter than the SRAM version
I recently bought two of these Cassets from ProBikeKit and after only a month or so of use both are completely rusted. I have had the same Ultegra and Dura Ace Cassets on both my road and TT bikes for years with no issues. I decided to rebuild the drive train on both and have had both cassets rust out on the same timeline with the same quality care, (no water, and I haven't even had a chance to wash the bikes yet since they have not been ridden but a couple hundred miles) It is really strange I would say. it is almost as if these are fake Shimano Cassets the way they rusted through so fast. I will be putting my originals back on.
Upgraded wheelset needed another cassette. Perfect upgrade that does wonders for a great ride.
Got a good deal on this from ProBikeKit.com Got the chain to go with it too. Never misses a shift up or down. Only used Di2 on a hire bike but got to say there's no difference between Ultegra 10 Speed Cassette and chain and the Di2 setup. Very happy with it and a fraction of the cost of Di2.
Ultegra cassette super smooth as usual and Probike were the best price out there.
Very happy with my recent purchase of these tyres. Excellent performance.
Very good shipping time and item as describe.