SHIMANO 105 CS-HG700 11-speed cassette, 11-34T One Size,Silver,ICSHG70011134

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Additionally, Dura-Ace and Ultegra are available with Di2 electronic shifting. We’ll leave Di2 to one side here because there’s no 105 version to consider. If you want it, your decision is between Ultegra Di2 and Dura-Ace Di2, and that’s outside the scope of this article. The executive summary: Ultegra is a bit lighter and more durable; it's the way to go if you're racing or logging mega miles and can't afford Dura-Ace, but for most riders 105 does the job admirably

The most common system is the Shimano 11-speed HG-style freehub, which has 9 splines. Most Shimano groupsets up to the 11-speed era used this style of freehub. SRAM groupsets prior to the current generation of 12-speed groupsets also used the same freehub design, although there are a handful of exceptions with the larger cassette ratios on their 1×11 groupsets.How often should I clean my bike? Regular cleaning ensures that your material lasts longer and that you can enjoy your cycling for longer. How often you need to clean depends on the weather conditions in which you ride. Do you cycle through all kinds of weather, or do you only go out when the sun is shining? It all affects the degree of wear and tear and some people will have to clean their bikes more often than others. Use the schedule below as a guide: Finally, the 'styling' of the chainrings is just that, since all the hollow chainsets are made with a solid inner casting glued to a thin pressed alloy outer shell, so it's only styling as the structure is in the inner casting. So they could have made them all match and mix nicely, but they deliberately chose to make them different, to restrict interchange.

The differences are mainly down to materials used, and because of this 105 components are a little heavier.The 105 levers have been redesigned with shifting mechanisms that make the shift a bit more snappy than before, and the shape of the lever is squarer, slightly more compact and features a patterned rubber cover for extra grip on the hoods. For example, at the lower end of the cassette, you can have as little as a one-tooth jump between the early cogs, and still have the range at the easier end. If you were running a 7- or 8-speed system, for example, in the same range, the jumps would be bigger. Stiffness is right up there with the best. Shimano are persisting with a 24mm steel axle, where others have moved to 30mm aluminium axles, but it doesn't appear to make any meaningful difference to the performance of the crankset. This is a super-stiff unit: jump on the pedals and give it the beans and there's barely any movement of the rings at the front derailleur, so you hardly ever get any mech rub when things are set up properly. I've recently replaced the rear mech for a Sora R3000 as the adjuster had rusted. Otherwise it was fine. I've replaced the Microshift brake hoods as I'd worn through them. I'm on my second casette (SRAM 850) but mostly as I fancied a 12-26 instead of 12-25.