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by Brucey
28 Aug 2012, 12:12pm
Forum: Bikes & Bits – Technical section
Topic: Carlton - best source of info?
Replies: 17
Views: 2249

Re: Carlton - best source of info?

the gumtree ad shows a late '70s carlton 'corsa' model. They only used that colour green on this model. Probably about 1977. I can tell you exactly what every part was that was originally fitted to this particular bike; I had one as a kid. It is 26TPI BTW. It isn't gas pipe, but it isn't 531 either....
by Brucey
28 Aug 2012, 11:39am
Forum: Bikes & Bits – Technical section
Topic: Carlton - best source of info?
Replies: 17
Views: 2249

Re: Carlton - best source of info?

it'll likely be one from the era of Raleigh ownership if the brake levers are original. They vary from 'good' to 'very nice indeed'. Some frames are handbuilt; many were fitted with 26TPI threads that are problematic these days. In the '70s and 80s you could get some very similar bikes with Sun, Car...
by Brucey
28 Aug 2012, 11:33am
Forum: Bikes & Bits – Technical section
Topic: Getting lower gearing
Replies: 7
Views: 525

Re: Getting lower gearing

It may be possible to widen the rear end to accept either a freewheel (on the existing rear wheel, modified) or a freehub. Either could give you more gears and/or a wider range. If you don't use the higher gears much then lowering the entire gear range with a smaller chainwheel is a good option if i...
by Brucey
27 Aug 2012, 7:49pm
Forum: Bikes & Bits – Technical section
Topic: Rebuilding M540 SPD pedal
Replies: 13
Views: 1957

Re: Rebuilding M540 SPD pedal

I've done this job several times and I've never had a big problem of any kind with it. True, the balls are rather small, but they have always stayed put for me with a little grease. IIRC one of the tricks is that there is a plastic collar on the spindle; if this is set at the correct height the ball...
by Brucey
27 Aug 2012, 7:36pm
Forum: Bikes & Bits – Technical section
Topic: replacement chain rings
Replies: 5
Views: 1013

Re: replacement chain rings

No worries; SR Sakae made the cranks for the newly formed SR-SunTour company to sell badged as part of the X-1 group in 1991. I have fairly vivid memories of this group, because I owned one ('91 Kona), and was responsible for setting up about fifteen similar bikes for a 3000 mile group ride. IIRC pr...
by Brucey
27 Aug 2012, 4:52pm
Forum: Bikes & Bits – Technical section
Topic: Foot pain
Replies: 2
Views: 496

Re: Foot pain

this is a complicated business and I am not an expert. However it may be to do with the left to right tilt of the shoe vs how your ankle naturally articulates. I have found this varies from one shoe to another and can make the pedalling action feel somewhat different. There is a discussion of this h...
by Brucey
27 Aug 2012, 2:07pm
Forum: Bikes & Bits – Technical section
Topic: "PAUL'S" thumbies / "KELLY" take-offs for skinflints
Replies: 254
Views: 56228

Re: "PAUL'S" thumbies / "KELLY" take-offs for skinflints

IIRC the spinachi clamps were 26mm where they went round the top section of the dropped bars. But otherwise, yes, that'd work....

cheers
by Brucey
27 Aug 2012, 11:37am
Forum: Bikes & Bits – Technical section
Topic: "PAUL'S" thumbies / "KELLY" take-offs for skinflints
Replies: 254
Views: 56228

Re: "PAUL'S" thumbies / "KELLY" take-offs for skinflints

I guess a bracket that allows the use of DT levers and/or thumbshifters/bar ends would be the ideal, but this design has one compelling advantage over some others; it could be very inexpensive if mass-produced, since the main part of it could be made using a single extrusion. Unfortunately I suspect...
by Brucey
27 Aug 2012, 11:12am
Forum: Bikes & Bits – Technical section
Topic: Unscrewing a 3 speed cyclo sprocket?
Replies: 40
Views: 2126

Re: Unscrewing a 3 speed cyclo sprocket?

I would very strongly advise caution before attempting welding on this hub; 1) what materials have you got there? Apologies if this is b. obvious but you can't weld steel to aluminium. 2) If the parts are aluminium, the grade may not be weldable. Also, experience tells me that you will not get them ...
by Brucey
27 Aug 2012, 10:59am
Forum: Bikes & Bits – Technical section
Topic: Campag 10 speed chain & KMC Missing Links?
Replies: 21
Views: 2687

Re: Campag 10 speed chain & KMC Missing Links?

BTW I have updated the chain compendium thread with additional material including some to reflect this discussion.

cheers
by Brucey
26 Aug 2012, 10:53pm
Forum: Bikes & Bits – Technical section
Topic: Campag 10 speed chain & KMC Missing Links?
Replies: 21
Views: 2687

Re: Campag 10 speed chain & KMC Missing Links?

three chain models: CN-RE200 'C10' CN-RE300 'C10 Ultra' CN-RE400 'C10 Ultra Narrow' 5.9mm In 2005 RE200 and RE300 have different joining links. In 2006 RE400 is introduced, and the RE200 joining link is revised to suit RE200 or RE300 chain. See p95 of the 2005 spares catalogue and p108 of the 2006 s...
by Brucey
26 Aug 2012, 7:26pm
Forum: Bikes & Bits – Technical section
Topic: Campag 10 speed chain & KMC Missing Links?
Replies: 21
Views: 2687

Re: Campag 10 speed chain & KMC Missing Links?

I believe that the different widths of 10s chain are enough different that a KMC link won't fit on one of the two.

http://www.competitivecyclist.com/components/campagnolo/chains.196.html

cheers
by Brucey
26 Aug 2012, 9:46am
Forum: Bikes & Bits – Technical section
Topic: Campag 10 speed chain & KMC Missing Links?
Replies: 21
Views: 2687

Re: Campag 10 speed chain & KMC Missing Links?

I have not encountered this problem myself but apprently there are two slightly different widths of campag 10 speed chain. One is wider than the other; guess which you have.... I suppose that one uses stronger steel to make thinner side plates and this allows more running clearance on the teeth and ...
by Brucey
25 Aug 2012, 10:44pm
Forum: Bikes & Bits – Technical section
Topic: Dating a Dawes..... YEAH AGAIN
Replies: 16
Views: 2030

Re: Dating a Dawes..... YEAH AGAIN

I'd suggest riding the bike for a while as it was intended to be, more or less; then make changes. If you want to fit shifters on the handlebars you will need a replace the gear levers with a double cable stop, (preferably with barrel adjusters in if you ever want to go indexed). The band beneath th...
by Brucey
25 Aug 2012, 10:01pm
Forum: Bikes & Bits – Technical section
Topic: Hydraulic Disc Brakes - Need More Power
Replies: 3
Views: 613

Re: Hydraulic Disc Brakes - Need More Power

if you ride a lot in the wet and chew through pads sintered ones make sense but if you ride in the dry more then organic/organic-ceramic pads may be the best thing; they slow the heat transfer into the caliper and the fluid. But it is worth taking advice from others who use your exact odel of brake ...