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by mig
22 Mar 2019, 10:30am
Forum: Bikes & Bits – Technical section
Topic: new postie bikes
Replies: 15
Views: 792

new postie bikes

https://www.bikeradar.com/road/news/article/royal-mail-electric-trike-53727/

good to see. i'm a little surprised to see that they have rear derailleurs. they look vulnerable in these images.

i fancy a go on one though ! :D
by mig
21 Mar 2019, 10:05pm
Forum: Bikes & Bits – Technical section
Topic: Removing stuck chainring bolts
Replies: 16
Views: 779

Re: Removing stuck chainring bolts

what's the best stuff to lube the little blighters with? copper ease?
by mig
19 Mar 2019, 11:04am
Forum: Bikes & Bits – Technical section
Topic: Mavic: circling the U-bend?
Replies: 25
Views: 1578

Re: Mavic: circling the U-bend?

not so sure those purchases are such a great idea tbh. cheapish prices for unknown quality kit and liable to a duty payment and a load of faff to get the kit delivered. send it back if it breaks in short order. i realise that people do but not for me i don't think.
by mig
19 Mar 2019, 10:58am
Forum: Bikes & Bits – Technical section
Topic: decent 1/8th chain
Replies: 19
Views: 1284

Re: decent 1/8th chain

yes i've been a bit disappointed with B1 chains. i thought they'd be a lot more hard wearing. the trouble is most 1/8th chains seem to wear quickly. hey ho, not so expensive i guess.
there was a sachs chain years ago that seem to last well. something like PX-1 or similar. can't find those anymore.
by mig
18 Mar 2019, 10:24pm
Forum: Bikes & Bits – Technical section
Topic: Mavic: circling the U-bend?
Replies: 25
Views: 1578

Re: Mavic: circling the U-bend?

Ah yes, the wheel vs rim thing. They have A119 (£20), A319 (£30), A719 (£50), 32/36h 19mm rims. Then the Open Pro Tubeless 19mm 24/28/32h (£60). And the Open Elite (£30) and the Open Pro C (£50) both 15mm 32/36h, the Open Pro Tubular (£45) 32/36h. And then the CXP/CXP Elite (21mm high, 15mm wide, £...
by mig
18 Mar 2019, 10:23pm
Forum: Bikes & Bits – Technical section
Topic: decent 1/8th chain
Replies: 19
Views: 1284

Re: decent 1/8th chain

one thing I would mention is that the B1 chain is made to different tolerances than typical bushingless chains are. In particular the amount of slop in the rollers appears to be quite a bit less. It seems to me that one knock-on from this is that, on a used (and slightly worn) sprocket, a new B1 ch...
by mig
18 Mar 2019, 2:27pm
Forum: Bikes & Bits – Technical section
Topic: Mavic: circling the U-bend?
Replies: 25
Views: 1578

Re: Mavic: circling the U-bend?

i'd think that the profit on such a set of wheels is far more than that. mass produced hubs, very few spokes machine laced to lightweight rims. cost can't be much over £40 for a set i would think.

covering the transport of them would be appreciable though once they are built as they're so bulky.
by mig
15 Mar 2019, 1:31pm
Forum: Bikes & Bits – Technical section
Topic: cassette gear increments
Replies: 19
Views: 1261

cassette gear increments

following on from a couple of comments in another thread re. teeth differences in cassettes. which is more commonly done? 1. changing gear to maintain a preferred pedal cadence. 2. changing gear to speed up/'slow down' (accept a lower speed in given circumstances.) when i ride gears i change to incr...
by mig
15 Mar 2019, 11:24am
Forum: Does anyone know … ?
Topic: oops! (hub failure)
Replies: 23
Views: 1851

Re: oops! (hub failure)

mice?
by mig
15 Mar 2019, 10:51am
Forum: On the road
Topic: Windy
Replies: 42
Views: 3090

Re: Windy

having had my normal commuter break a few weeks ago i'm stuck on 50 x 17 fixed at the moment. it feels a tad big anyway but when into the wind.....

never seem to get the gale directly behind me (as it were.)

stay safe out there.
by mig
12 Mar 2019, 12:54pm
Forum: Bikes & Bits – Technical section
Topic: Rims with decent braking surface thickness?
Replies: 104
Views: 6343

Re: Rims with decent braking surface thickness?

what sort of rim thicknesses feature on ,say, a factory built mavic wheel?
by mig
12 Mar 2019, 10:12am
Forum: Bikes & Bits – Technical section
Topic: Squeaky brakes again
Replies: 22
Views: 1437

Re: Squeaky brakes again

i've found the key is to rinse off the substance used to clean rims....degreaser, WD40, soaps etc. any left on the rim gets onto the blocks and sets up that slip-grip cycle that causes the noise.
by mig
11 Mar 2019, 10:11pm
Forum: Bikes & Bits – Technical section
Topic: Squeaky brakes again
Replies: 22
Views: 1437

Re: Squeaky brakes again

my front cantilever pads started to squeal last week. i noticed a tiny bit of play in the aheadset on the way in this morning, nipped it up at lunchtime and the squealing stopped instantly for the homeward ride.
by mig
7 Mar 2019, 10:27am
Forum: Bikes & Bits – Technical section
Topic: Why the sudden urge to ride bikes on gravel?
Replies: 171
Views: 6305

Re: Why the sudden urge to ride bikes on gravel?

Henry VIII rode a bike?! Divorced, beheaded, died, divorced, beheaded, punctured. i think offa was the most renowned cycling monarch. he was king of mercian anyway. aren't mr jumper's bag straps too long? look like they'd blow into the mech possibly. (i think that this is the thread of which a part...