Search found 216 matches

by Rightarmbad
Sun Aug 06, 2017 21:11 pm
Forum: MTB Workshop & Tech
Topic: Rear derailleur rubbing chain.
Replies: 6
Views: 1713

Re: Rear derailleur rubbing chain.

Undo rear derailleur bolt a tiny bit , turn derailleur down to where it is meant to be and do it back up.
The link is in the incorrect place and is not seated on the dropout tab.

And new hangers are not necessarily straight and usually are not.
by Rightarmbad
Sun Aug 06, 2017 21:07 pm
Forum: MTB Workshop & Tech
Topic: Rake on your bike.
Replies: 11
Views: 992

Re: Rake on your bike.

OP was talking about changing a hardtail......
by Rightarmbad
Sun Aug 06, 2017 21:03 pm
Forum: MTB Workshop & Tech
Topic: Jockey wheel question
Replies: 4
Views: 868

Re: Jockey wheel question

The pulleys usually need to be both in the right position and facing the right way.
Just check you have routed the chain through the cage properly and not over top of the tab.....
by Rightarmbad
Wed Jul 05, 2017 08:42 am
Forum: MTB Workshop & Tech
Topic: Very loud brakes!
Replies: 10
Views: 1472

Re: Very loud brakes!

Some brake cleaners leave residues that can make bike brakes squeal. They also attack the seals.
Cooldad is correct, If you haven't ridden your bike for a bit and they squeal, just squirt them with water.
by Rightarmbad
Wed Jul 05, 2017 08:37 am
Forum: MTB Workshop & Tech
Topic: Replace bolts along with bearings?
Replies: 7
Views: 775

Re: Replace bolts along with bearings?

All of the suspension bearings bar one set are stock numbers available at any bearing shop for nicks. The one set are flanged and you can source them in double row from Enduro suppliers. Giant probably supply bolts as sometimes the lower pivots can corrode the axles and the bearings stick. This also...
by Rightarmbad
Tue Apr 18, 2017 21:25 pm
Forum: Workshop
Topic: Carbone steerer damaged ?
Replies: 25
Views: 1917

Re: Carbone steerer damaged ?

Who greases new headsets on bikes? Every good shop takes it apart and puts it back together again using grease and carbon paste where required. That stem was too high on the steerer, there is no way it was within the normal overhang for a steerer. Somebody has put an extra spacer under the stem that...
by Rightarmbad
Thu Mar 30, 2017 08:42 am
Forum: Workshop
Topic: DISK BRAKE: Disc rotor rubs caliper socket on frame
Replies: 18
Views: 1586

Re: DISK BRAKE: Disc rotor rubs caliper socket on frame

Looks like you have a 12 x 135 hub in there.
by Rightarmbad
Tue Mar 21, 2017 10:34 am
Forum: Workshop
Topic: slipping - but only in one gear ?
Replies: 3
Views: 400

Re: slipping - but only in one gear ?

Broken cassette.
by Rightarmbad
Tue Mar 14, 2017 20:46 pm
Forum: MTB Workshop & Tech
Topic: Bent wheel. How fudged is fudged?
Replies: 5
Views: 904

Re: Bent wheel. How fudged is fudged?

1 inch is repairable unless there is a distinct kink in the rim. Doesn't need to be kinked and small kinks can often just be tapped out with a block of wood. If the wheel has taken on a potato chip shape, it has failed and needs replacement. There is no way to straighten a rim like that and still h...
by Rightarmbad
Thu Mar 09, 2017 12:27 pm
Forum: MTB Workshop & Tech
Topic: The evilness of wheel spoke sizing
Replies: 9
Views: 934

Re: The evilness of wheel spoke sizing

You can check this yourself by trying out the DT calculaor.
Change out various spokes and see what length it suggests.
by Rightarmbad
Thu Mar 09, 2017 12:25 pm
Forum: MTB Workshop & Tech
Topic: The evilness of wheel spoke sizing
Replies: 9
Views: 934

Re: The evilness of wheel spoke sizing

Why would DB spokes need to be longer? The spokes need to be the right length, whatever type they are. Usiing something like CXray spokes are generally sized 2mm shorter to make up for spoke sttretch once built. 15 guage are always sized smaller than 14 guage. Thinner spokes stretch more and some s...
by Rightarmbad
Thu Mar 09, 2017 12:15 pm
Forum: MTB Workshop & Tech
Topic: The evilness of wheel spoke sizing
Replies: 9
Views: 934

Re: The evilness of wheel spoke sizing

Need to know what spoke type to calculate. Something like a double butted spoke needs to be shorter, as does a thinner gauge. Also need nipple length you need for that rim. I suggest that if you cannot figure out the spoke length with all the full specifications and all the online help available tha...
by Rightarmbad
Mon Feb 06, 2017 13:09 pm
Forum: MTB Workshop & Tech
Topic: Short stem on an XC bike
Replies: 28
Views: 14009

Re: Short stem on an XC bike

Steepening the seat tube gives a shorter reach but put put extra weight on the arms. Really? You didn't think about that did you? Shortening the reach puts less weight on the arms, and steepening the seat tube you've already noted is to shorten the reach. So kindly explain how that then puts more w...
by Rightarmbad
Sat Jan 28, 2017 14:08 pm
Forum: Workshop
Topic: Ultegra crank failure
Replies: 70
Views: 19533

Re: Ultegra crank failure

Shimano know all about it. Have a look at the new series cranks and the changes made were to deal with that weak point in particular. Shimano even proudly say they strengthened the crank in that area. They won't recall them, unless it is a front wheel, fork or major frame failure, bike stuff doesn't...
by Rightarmbad
Sat Jan 28, 2017 13:58 pm
Forum: MTB Workshop & Tech
Topic: Short stem on an XC bike
Replies: 28
Views: 14009

Re: Short stem on an XC bike

Steepening the seat tube gives a shorter reach but put put extra weight on the arms. Really? You didn't think about that did you? Shortening the reach puts less weight on the arms, and steepening the seat tube you've already noted is to shorten the reach. So kindly explain how that then puts more w...
by Rightarmbad
Sat Jan 28, 2017 13:40 pm
Forum: MTB Workshop & Tech
Topic: Genesis Core 50 Front Wheel Bearing
Replies: 6
Views: 501

Re: Genesis Core 50 Front Wheel Bearing

'Cup and cone' and 'cartridge' bearings can both be sealed or unsealed.
by Rightarmbad
Tue Jan 24, 2017 00:29 am
Forum: MTB Workshop & Tech
Topic: Short stem on an XC bike
Replies: 28
Views: 14009

Re: Short stem on an XC bike

Heyoooo. So a friend of mine has a new(ish) bike. She really made a lot of fuss about getting the right sized one considering her height and all. Well, she did find on that's she finds to be fine, but during longer rides, she's complaining about the bars being too far. It's not an issue for her dur...
by Rightarmbad
Tue Jan 24, 2017 00:13 am
Forum: MTB Workshop & Tech
Topic: How much brake drag should I tolerate?
Replies: 6
Views: 874

Re: How much brake drag should I tolerate?

My rear disc brake seems to suffer from excess drag. My front wheel spins forever but my rear wheel stops in a short space of time although i don't notice excess drag when riding. I have tries the usual stuff, changed pads, rotor, recentred brakes by loosening adjustors etc. when i remove the pads ...
by Rightarmbad
Tue Jan 24, 2017 00:00 am
Forum: MTB Workshop & Tech
Topic: Brake caliper adjustment!!
Replies: 13
Views: 1405

Re: Brake caliper adjustment!!

How are you aligning them? Loosen bolts and pull brake and tighten bolts? Never works on mine, I line them up by eye Pull brake, tighten snug. Undo one bolt, align by sight, tighten snug, undo the other, align, tighten snug, examine if alignment is perfect, then tighten strong. Typically takes abou...
by Rightarmbad
Mon Jan 23, 2017 23:53 pm
Forum: MTB Buying Advice
Topic: Stem length?
Replies: 10
Views: 1178

Re: Stem length?

The steering would be slower and more stable. You'd put more weight on the front wheel which improves front end grip. It would put your weight a long way forward on steeper descents which may not be as good. 115 is very long for anywhere near approaching a modern MTB, in fact 100mm is pretty long N...

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