Search found 2676 matches

by mig
18 Mar 2024, 3:19pm
Forum: Bikes & Bits – Technical section
Topic: Re-using an old 8-speed Campagnolo wheel
Replies: 16
Views: 543

Re: Re-using an old 8-speed Campagnolo wheel

Brucey wrote: 18 Mar 2024, 10:43am IIRC Miche do sprockets (into the 30's IIRC) to fit campag freehub bodies. Not that it isn't especially difficult or challenging to make your own, but they also do various width spacers, so you can build up miche cassettes to be compatible with almost any modern indexing system.
IIRC ambrosio(?) used to do a replacement cassette where each sprocket used a slightly larger splined fit and the cassette came with spacers and carriers to suit. I mention this because IIRC this system was quite popular BITD,(so there is lots of campag 8s stuff out there), the system supported larger sprockets (which don't tend to wear out) and you could use as many ( or as few) of the special sprockets as you want. Given how useless (for touring) the smallest sprocket in a standard cassette is together with how easy it is to add a sprocket at the other end of the cassette it wasn't exactly surprising to see how many people ran basically standard cassettes but without the smallest sprocket and with an added larger one.

Anyone with a welding set and half an ounce of brain power pretty much has the World at their feet here, I reckon. Whilst it isn't even slightly tricky to weld HG type steel sprockets together so they are strong enough it is tricky to get everything to stay concentric and sufficiently free of distortion. However, if you can manage this, there is nothing to stop you from rebuilding any worn campag fit cassette using shimano sprockets, any size.
Marchisio i think.
by mig
14 Mar 2024, 8:51am
Forum: Bikes & Bits – Technical section
Topic: Tourer for gentle off-roading?
Replies: 136
Views: 5550

Re: Tourer for gentle off-roading?

who / what establishes wheel size in the first place?

slowly adopting a standard from BITD?
by mig
12 Mar 2024, 1:55pm
Forum: Bikes & Bits – Technical section
Topic: "Plus" vs breaker for fairy protection
Replies: 16
Views: 855

Re: "Plus" vs breaker for fairy protection

one thing that i have noticed in the past few years are increasing amounts of screws, drill bits, powered screwdriver fittings, nails etc simply dropped into road side gutters. if walking i often pick up several within a mile. i'm sure that there weren't nearly that many in the past. disposable tools? careless people?
by mig
11 Mar 2024, 12:53pm
Forum: Bikes & Bits – Technical section
Topic: "Plus" vs breaker for fairy protection
Replies: 16
Views: 855

Re: "Plus" vs breaker for fairy protection

UpWrong wrote: 11 Mar 2024, 12:15pm
531colin wrote: 11 Mar 2024, 12:00pm I don’t think I’m imagining it, I think I have seen ( on here) a photo of a nail not just embedded in a (rear?) tyre, but also piercing the rim. That implies to me a lot of force.
Yes, the screw put a hole in the rim tape and with the tyre deflated I can believe that iit would quickly have damaged the rim if I hadn't stopped immediately. I wonder if the screw had been there for a few hundred years, sealing the hole it created and only becoming apparent as the tyre gradually lost pressure with subsequent rotations.

As you say, rather different from the usual piece of flint, glass or a thorn.
that's quite a while for it to be lodged..! :wink:
by mig
8 Mar 2024, 9:26am
Forum: On the road
Topic: Fill that hole
Replies: 60
Views: 3757

Re: Fill that hole

MikeF wrote: 3 Mar 2024, 7:40pm Filling potholes is "sticking plaster". It should not be needed in the majority of cases - the road should be resurfaced so that potholes do not occur. In most cases noting the section of road that's failed should be what is reported, and not pinpointing the exact position of potholes. There are several reasons why potholes occur. Many are caused by utilities just back filling a trench and resurfacing the backfill, leaving the road with a mixture of surfacing and base that wears at different rates.
very much so. i have reported several potholes in recent weeks and they have been attended to. the problem being that it is usually in the order of "wellying in half a bucket of tarmac" and the hole re-appears sometimes in days especially when there is so much rain.
by mig
7 Mar 2024, 9:03am
Forum: Bikes & Bits – Technical section
Topic: Belts and chains
Replies: 23
Views: 1158

Re: Belts and chains

what is a typical price for a belt?
by mig
6 Mar 2024, 12:38pm
Forum: Bikes & Bits – Technical section
Topic: Belts and chains
Replies: 23
Views: 1158

Re: Belts and chains

does your current bike have decent mudguards with a lengthy front mudflap?

do you clean the chain regularly?
by mig
4 Mar 2024, 3:29pm
Forum: Bikes & Bits – Technical section
Topic: SKS Rennkompressor rod washer replacement, how?
Replies: 6
Views: 339

Re: SKS Rennkompressor rod washer replacement, how?

i have both a rennkompressor pump (a red one with a leather retaining strap for the handle) and a silca. the latter has a simple, push on chuck and is far easier to use than the SKS - the head of that is far too big and tends to flop out of line with the valve causing sealing issues. the pumping action itself is fine though.
by mig
23 Feb 2024, 9:17am
Forum: Bikes & Bits – Technical section
Topic: Are there any modern cranksets that aren't goppingly awful?
Replies: 41
Views: 3442

Re: Are there any modern cranksets that aren't goppingly awful?

in pure engineering terms, to take the forces involved, what would be the best shape? something that doesn't taper at all?

does the orientation a square taper 'hole' make any difference? (it did BITD when i broke a chainset side crank as the stoker of a tandem to find the replacement....er.....was differently oriented to the left hand side. bah! :roll: )
by mig
21 Feb 2024, 11:37am
Forum: Bikes & Bits – Technical section
Topic: SRAM axle size?
Replies: 7
Views: 452

Re: SRAM axle size?

ta muchly. tis numbers 1 and 3 needed methinks
by mig
21 Feb 2024, 11:10am
Forum: Bikes & Bits – Technical section
Topic: SRAM axle size?
Replies: 7
Views: 452

Re: SRAM axle size?

not yet no. it's on the way to mrs mig in another part of the country so i won't see it for a month or so. then i'm hoping to fettle it into a wheel - should the thing work ! note to self - find a rim to take a 35c tyre in the next few weeks.

i'm hoping that the axle is fairly standard despite the hub being an uncommon one - but you never know!
by mig
21 Feb 2024, 10:47am
Forum: Bikes & Bits – Technical section
Topic: SRAM axle size?
Replies: 7
Views: 452

SRAM axle size?

I have been promised an SRAM I-light front hub to play with for use as a spare next winter. Good stuff.

However it has no fixing nuts on the axle ends. Can't find them size/info anywhere online.

Anyone ever used one?

Thanks
by mig
15 Feb 2024, 9:26am
Forum: Bikes & Bits – Technical section
Topic: Should I be concerned
Replies: 31
Views: 2494

Re: Should I be concerned

would the evans store be able to demonstrate that sort of flex with a similar/the same bike from stock?
by mig
14 Feb 2024, 9:18am
Forum: Bikes & Bits – Technical section
Topic: sub 20 lbs Raleigh Record Ace
Replies: 21
Views: 1256

Re: sub 20 lbs Raleigh Record Ace

i have a sunny weather commuter bike much like this - a 631 frame, miche hubs on open pro rims, running only a front caliper. lovely to ride. i'm not sure that i'd go for a 28H (or less) front wheel though as it can take a bit of hammer in braking. whilst i see that you try to mostly 'pedal brake' it's not always that practical down from higher speeds.

such was the weather last year i only rode mine a handful of times sadly. hoping for better this year! good luck.
by mig
13 Feb 2024, 12:18pm
Forum: Bikes & Bits – Technical section
Topic: sub 20 lbs Raleigh Record Ace
Replies: 21
Views: 1256

Re: sub 20 lbs Raleigh Record Ace

do you use two brake calipers?