- Shimano Ultegra 6700 10 Speed Cassette
Shimano Ultegra 6700 10 Speed Cassette
zoom Shimano Ultegra 6700 10 Speed Cassette
Shimano Ultegra 6700 10 Speed Cassette
Top Features of the Shimano Ultegra 6700 10 Speed Cassette
The new Ultegra HyperGlide 10-speed cassette comes with an alloyn carrier. Special sprocket profiles for even smoother, lighter and faster shifting.
- Available gear ranges: 11-23, 11-25, 11-28, 12-23 and 12-25T
- Hyperglide sprockets have been designed to reduce weight with improve teeth shaping providing accurate shifting and reduced wear
- Wide gear range to meet the demands of all types of rider
- Weight 208 grams (11-23 teeth)
Lightweight 10-speed cassette with rigid alloy sprocket carrier for reduced weight and better shifting performance, even under the most demanding gear changes
Please note, that on some instances these goods may not be delivered in the manufacture's packaging, but will still have a full UK warrenty.
About Cassettes & Freewheels
Cassettes and freewheels for bikes are a cluster of sprockets in a range of sizes offering a multitude of gear ratios. The difference between the two is, a cassette slots onto the freehub, which has the ratchet built in and is then secured with a lockring, whereas a freewheel is a cluster of sprockets built around a ratchet and threads directly on to the hub. Cassettes and freewheels come in many ratios, close ratio is when the number of teeth increase in small increments of 1 or 2 at a time, whereas a wide ratio is when the teeth increase in larger increments of 3 or 4 at a time. Most systems will use a cassette hub as these allow for a wider bearing spacing and increased axle life, you can also fit a larger quantity of sprockets onto a cassette hub with 11 speed systems now becoming available. With cassettes you must use the appropriate spacing for your gear levers and rear mech, Shimano and Campagnolo are not interchangeable so you will need to match the cassette to your levers for smooth and precise shifting. Sram and Shimano chains and cassettes will work together as they use the same spacing.
About the Shimano brand
Shimano are the makers of the world's most well known cycle component brand. Established in 1921 when the first cycle freewheel was forged. Shimano produce drivetrains, wheels, pedals, shoes, cycling clothing and pretty much every Shimano cycle accessory you can think of! Famous for their top end products ridden by the pro's, Dura-Ace and XTR, which cover both road and MTB's. At Shimano, they're doing everything they can to respond to heightened environmental concerns. Shimano are proud to be a producer of bicycle components that help people to enjoy outdoor sports and interact with nature through healthy non-polluting activities. In their 87 plus years of existence Shimano have accumulated a wealth of technology and product development and expertise that serves as the driving force behind their continually evolving product line.
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Magazine reviews for Shimano Ultegra 6700 10 Speed Cassette
Review from road.cc
Although it's great to look at new and shiny Dura Ace (and Di2) kit, it's always the announcement of the new Ultegra groupsets that generates the most excitement here at road.cc towers. Ultegra has always been the smart choice in the Shimano range: affordable enough to be a serious consideration with first dibs on all that innovation trickling down from the top.
Dura Ace 7900 was a fairly big leap in a market that mostly makes incremental changes, and Ultegra 6700 has stepped up a notch too, taking on plenty of the new technology at a price point that's much more within the reach of the keen amateur cyclist.
Ultegra now has the hollowglide chainring of Dura Ace. It also shares the internal lever cable routing, the Carbon lever blade, redesigned hood shape and repositioned pivots on lever and brake. In fact there's not much that it doesn't have, really only the no-trim shifting of the front mech. So what's the performance difference between the two groupsets?
Hand on heart I'd have to say that blindfolded I'd be very hard pressed to tell the difference between the two. There's no real performance advantage to be had by buying Dura Ace kit over the new Ultegra, not one you'll notice out on the road at least. The new Ultegra kit is excellent: shifts are crisp, braking is noticeably better, power transmission is near faultless.
In the end it all comes down to weight: Dura Ace 7900 is about 300g lighter than Ultegra 6700. If you can honestly say you'd notice half a pound more kit hanging from your frame then you need to consider the top-of-the-line groupset. For everyone else, myself very much included, the smart money's with Ultegra. Forget the RRPs for a minute: In the real world 7900 is going to cost you a grand, and 6700 can be had for less than £600. For me it's a no-brainer: if you're a Shimano fan then Ultegra 6700 is definitely the groupset that gives you the most bangs per buck. Here's how we rate the components...
There's not a great deal to say about the cassette, except that Shimano have fiddled a bit with the tooth profiles. It's not noticeably different to last year's profile though. There's a good range of cassettes on offer (11-23, 12-23, 12-25, 11-25, 11-28) and there's an alloy sprocket carrier to save weight. The bigger sprockets are drilled too, so shave a few extra grams off tot total.
Ultegra is the new amateur rider's benchmark for performance and price. Almost indistinguishable from Dura Ace in terms of performance, it only loses out on weight – but more than makes up for that in value for money.
Product Q & A
Ask your questions and share your answers.
In a word, no. I have a Dura Ace 7800 short cage rear mech and fitted an Ultegra 11-28 6700 cassette (replacing a 12-25). Although the chain shifts smoothly onto the cassette, there is the occasional shudder and click in the rear derailleur, which sounds awful and isnt comfortable. Better to stick with the max 27t cassette recommended in the Shimano tech docs!
Can 12/23T be used toghether with Sram Rival?
Need of spacers or 100% comapatible?
The largest sprocket that is made by Shimano themselves is a 27t. Not a huge increase over a 25t, and you lose 1t on the "fast" end.
You would be better off considering changing your chainset for a compact chainset (50t outer and 34t inner), assuming you are running a 52/39 double setup at present, however you would potentially need to change your derailleur and you would also sacrifice some top end speed. Especially pertinent if out in a chain gang.
Otherwise a 12-27 will work and is still pretty low.
You should check that your rear derailleur is compatible and that your chain is long enough.
If your chain was sized without any slack in it, then it is probably too short. This depends on the mechanic who installed it!
You can check that by putting it in the big-big (53 x 25) combination. If you can't fold one link over the other by hand, then there's no slack.
Worst case scenario is that you have to extend or replace your chain.
They were happy to do so so long as the rear derailier was long enough (ie it wasn't a short racing cage).
My rear derailier has a centre spacing between the two chain wheels of 55mm. It is a Shimano Ultegra derailier.
The cassette swap worked out OK.
Kept the orginal chain.
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