Hot answers tagged

12

Put link into chain, hold chain on either side, use thumbs to hold snaplock over link. Gently pull chain using thumbs as fulcrums...this will put pressure on the pins forcing them just a tiny bit inward. Snaplock should slide over. (Think of it kind of like bending but not breaking a pencil...both hands on pencil (chain), thumbs next to each other, gentle ...


9

It's much better to open the chain. Derailleurs are not really designed to be opened repeatedly, and doing so inexpertly can potentially ruin the derailleur. Chains might have either a lock link or a master link of some kind, find that open the chain and then thread the chain through the derailleur. If the chain does not have one of these links, you will ...


8

It is almost impossible to rebuild a wheel (i.e., new hub and new spokes) without removing the tire. Leaving the tire on, would mean leaving the spoke nipples in place. (It is a good idea to replace the spoke nipples when rebuilding a wheel. You will also require new spokes). It is a big hassle threading the spoke into nipples that are stuck in one ...


7

I'm no racer so I'm probably speaking from a very different point of view than you were interested in. I have used Sram 9-speed chains for years on my touring/commuting bicycles. I have used the 971, 981, and 991 and haven't been able to see any difference in performance or longevity, either. With my wet-weather commuting here in the Seattle area where it's ...


6

While price is not the defining factor, there is no doubt that it is a key indicator of quality. List of Groupsets Below is a list of the three largest manufacturer's groupsets for Road and MTB applications. Each manufacturer's offering is arranged in descending price/quality. The number of sprockets of the cassette in each groupset is shown in ...


6

SRAM GXP bottom brackets can be user serviced, but it is usually unnecessary. To service your BB bearings, first remove the crank arms. Then place your thumb in the BB spindle hole, and bend the joint enough that your knuckle makes firm contact around the entire ring surface of the spindle hole. Pull outward using fairly firm pressure, and if necessary, ...


6

Yep, I've been using such setup for an year now, on my MTB (2x10). See the "Technologies" tab on SRAM's page for X9 RD Type 2. The equivalent technology by Shimano is called Shadow+ (note the +). When purchasing an RD, on can notice, that the price difference between having or not having the relevant technology is relatively small compared to the price of ...


5

Sram apex is a double chainring crankset which uses a GXP (aka Giga-X-Pipe) bottom bracket which is an external bearing bottom bracket. I think External Bearing or Outboard bottom bracket are both commonly accepted terms, however there are several different incompatible types of external bottom brackets such as hollowtech, GXP, and Ultra Tourque.


5

If you are talking about the things that look like thin, wide plastic washers that go on the outer part of both sides of the bottom bracket, they are called bearing seals. Assuming that you are saying that the bearing seals were not installed, then I would absolutely remove the cranks and install them. They are designed to keep most of the road gunk out of ...


5

I don't know if you're still having this problem, but this could be useful for others, so I'll go ahead and answer it. To be honest I wouldn't bother trying to fix a gear indicator, especially a front one. It's not difficult to remember which chainring you're in and opening up the shifter is definitely going to invite problems for inexperienced mechanics. ...


4

I've not done the maths, but angular momentum is proportional to the radius of the circle. So those big wheels benefit a lot from mass reduction, but the relatively small turn around your chainring much less so. Overall I'd think that the chain mass can largely be considered just another part - if it's much cheaper per gram to save weight there than your ...


4

Your derailleur cable is probably stretched. It happens normally on newer bikes. Take it to your local bike shop and it'll just take them a minute to fix it. They'll probably even do it for free to get your future business.


4

These bottom brackets use sealed bearings, which are in a metal casing. Unlike cartridge bearings, the bearings are not exposed and are sealed from the outside environment. There are some bottom brackets that are are meant to be user serviced, like the chris king bottom bracket, but others may be much more difficult without specialized tools, while lower ...


4

If your chain has a powerlink, you can disconnect it pretty easily. Otherwise, it is pretty straightforward to open up the cage and slip the chain out. It shouldn't damage it (as front derailleurs are pretty simple mechanisms).


4

I don't think they will unfortunately. I'm sure the SRAM X0 crankset (below) is 80-120mm BCD on the 2x crankset. Do you know which model of X0 crankset it is that you have? The BCD may be stamped on the chainring, like the one pictured below. Shimano XT, with the exception of their latest M8000 series XT cranks, have a symmetric 64-104mm BCD. If you're ...


4

Why do you wear chainrings quickly? Cross Chaining - If you tend to be in the big ring on the back and the big ring on the front at the same time, you're probably doing it wrong. Same with running the small ring on the front with the small ring on the back. This can cause uneven wear on the front chainrings due to the awkward angles the chain must bend. ...


4

Note: this is mostly based on my personal experience. Its an incredibly subjective subject, so there is no right answer. Keep in mind that in reality one level up or down will be completely unnoticeable performance difference to most riders. XT is considered the "Sweet spot" for performance, weight and durability. Probably X9 in the SRAM range. ...


4

If you want to upgrade gradually you need to follow the compatibility of the groupsets. If your Tiagra groupset is the 4600 series of 2012, the 10 speed components should be compatible with other Shimano 10 speed road components, so you can use Dura Ace 7800 and 7900, Ultegra 6600 and 6700, and "105" 5600 and 5700. The amount of cable pull per gear is ...


4

Campagnolo wheels are available with both Shimano/SRAM and Campagnolo cassette compatible freewheel bodies. Ask which cassette your friend has and if they have Campagnolo, you can get the correct freehub body as a spare part. SRAM/Shimano and Campagnolo cassettes have slightly different cog spacing. You can mix them, but the derailleur adjustment will be ...


4

You can use the chainring, but each brand (Shimano, SRAM, etc...) aligns the shifting ramps and pins to work best with their own brands inner rings. So the indexed shifting will not be as fast/smooth as when you would use the same brand of rings together. Inner rings frequently have individual teeth shaped so that the chain will lift off and drop down ...


4

You should read Zinn's articles (a, b, c, probably others) on 11 speed drivetrain compatibility. The surprising upshot is this: You can swap a Campagnolo 11 speed, Shimano 11 speed and SRAM 11 speed wheel in for each other and they will work (*). You can put SRAM and Shimano cassettes on each other's freehub bodies. The Shimano Ultegra CS-6800 comes in a ...


4

You need to purchase a SRAM 10 speed rear derailleur to ensure compatibility with your shifters. SRAM previously made a wide range of derailleurs for X5, X7, X9, X0 and XX but have limited their range to GX and X0 following the market shift to 11 speed drive trains. GX has replaced the old X7 and X9 price points. Your options are limited as SRAM and ...


3

It is possible, as long as you use the SRAM Red Black Edition 2011 or earlier. The new 2012 Exogram SRAM Red requires a different front derailleur design, and while it will physically bolt up, it won't shift well at all. Any other SRAM compact (110 BCD) chain ring will work fine.


3

Yes, if you have a removable screw at the back of the front derailleur, you can remove it, spread the derailleur cage, and slip the chain through. Do it gently, and there is enough spring resistance in the steel to return to it s proper shape.


3

I've only ever ridden bikes with shimano road bike parts. Shimano's road lines are, in terms of decreasing value: dura ace ultegra 105 tiagra sora 2300 "non-series" Having spent an inordinate amount of time riding a bike with a sora group, I can attest for its quality. A lot of people on bike forums say you need a 105 or higher to get a decent ride ...


3

This seems like an example of 'if it's broke, don't fix it'... I understand how it might be bothersome or annoying, but modern shifters such as these are relatively complex and can be easily 'messed-up'. That said, the best solution I could find is the manufacturer's maintenance manuals, which is somewhat lacking. Unfortunately I don't think there are many ...


3

If your rear derailleur is in the 28t cog, there is only one click available, because shifting to the next (non-existent) cog would put your chain in your wheel. Because of the way the Double Tap levers work, the first click will release to the next gear down, either 27t or 26t depending on your cassette. There is nothing to fix. This is proper behavior ...


3

I decided to put up another answer because while Daniel's hunch and Billy's excellent answer get at the gist of the solution, I did find some specifics that might help someone else (though perhaps only a SRAM S27 owner). First of all, the service manual is pretty helpful. In my case, the "end cap" was tighening on its own during rides. Normally, this ...


3

I took a quick look at the Truvativ warranty information and the warranty is void if the BB is not installed properly. Since it's not currently installed properly if anything happens to it then you've got no warranty technically.



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