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Here's another gear-inch calculator that may be easier to use: http://cycleseven.org/bicycle-gear-inch-calculator Basically, the 52/36 will allow 5% higher top-speed before spinning-out compared to the 50/34. (Many say that your aero-tuck and other factors are more important at those speeds anyway.) But on the hills, you'll find the 36 to be harder to ...


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Yes, all Shimano 8-speed shifters and rear derailleurs except Dura-Ace are compatible. Road and off road front derailleurs have different cable pull, but since both 600 and Claris are road component series, they are compatible too.


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Indeed as per the comments the 'lock' mechanism on Shimano rear derailleurs (to reduce chain slap) is called "Shadow Plus". Whilst this was initially a feature of the higher end models (XT / XTR) a few years ago, it has since filtered down to some lower models, such as SLX and Zee (although I think not yet on Deore ... anyone correct me?!)


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For road components Shimano has the following quality ranking, from top to bottom and from (very) expensive to cheap: Dura Ace Di2, Dura Ace mech., Ultegra Di2, Ultegra mech., 105, Tiagra, Sora and Claris. What trickles down from year to year are the innovations. If some innovation appears with the pro-groupset Dura Ace it will appear in the following or ...


4

You probably need to adjust the 'top stop' screw on the rear mech, and also tighten the rear gear cable. The rear mech has two small screws. One of these adjusts how far up/inward the mech will move and the other screw adjusts how far down/outward it will move. They are used to prevent the chain dropping off the top and bottom of the cassette. Work out ...


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The difference is simply in the number of teeth on the chainring, and therefore the distance that the chain will travel when you turn the crank. With the standard crank you will be pushing the chain further, and therefore given the same cassette, the standard chainring will provide longer gearing than a compact, and require more power to turn. There are ...


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50/34 with and 11/32 on the rear is going to be very spinny. For me - the range is too wide and the gaps between the gears too big. But - this depends on the kind of riding you will be doing. If you are riding the very steepest of mountains - than the 34/32 combination might be what you are looking for. Purely for fast road work - that's too wide a ...


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There is also a spec for the maximum size of a rear cog. The 5800SS allows a 23 to 28 tooth largest cog, so you are OK. The GS allows a range of 28 to 32 teeth for the largest cog. I would suggest you decide based on which direction you are more likely to want to change-if you go to an 11/32 cassette you need the GS, while if you go to tighter gearing you ...


3

The derailleurs are usually matched to the size of the cassette/chainrings. the cage length of the rear derailleur is matched to the largest cog. that is why you see mountain bikes with a 34 tooth in back with long cage derailleurs and road racing bikes with the little derailleurs matched to the corn cob size cassettes. The curvature of the front ...


3

If you've got the CJNX40 or CJ8S40 bracket then you'll need the piece. So yeah, order it. Frankly, if you just swapped the cog I don't understand why the cassette joint is different. But I'm assuming more happened than just the cog. Whatever the case, if the casing slot/area/thing on this bracket is bigger than the previous casing slot/area/thing then that ...


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If its the free-hub body you could just try replacing that! It should separate from the wheel with a large allen key (10mm) once you remove the axle and bearings. (price approx €20). If there's extreme play in it you would most likely get the symptoms you describe.


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I ran into this issue on my bike recently. It could be a bent axle, damage on the inside of the hub, or both. If the axle is true, you will need to replace the hub or a whole new wheel. Good news, a new MTB wheel is relatively cheap, on the order of about $50-60.


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I was amazed to recently discover the Dura Ace carbon body is 0.5mm narrower than the body on the Ultegra. This was discovered quite by accident. I have a carbon centaur equipped winter bike on which I have Ultegra 6800 pedals and a specialised roubaix with 105. So I decided to finally splash out on dura ace pedals to match the dura ace 9000 group set on ...



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