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Has a tensioning arm, all in place and bolted tight to its bracket, it's an unbranded hub so probably made of an old Aldi sardine tin.
Should the sprocket spin all the way round if you spun it with your hand? On my wheel, the sprocket moves so far forward > stops. And so far backwards > stops. All smooth and no grittyness, but is this normal at all?
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Bought a cheap cruiser about a month or so ago, never worked with/ridden a coaster brake before, I got the chain tension taught and made sure the brake arm was tight in the clip/hanger mounted on the chainstay, just took her for a test ride and the brake applies when I put forward pressure on the pedals.
It's fine if I've got speed up and cruising, but if I stand up and pedal the brake comes on. All this and then the chain finally pops off altogether. Just to mention, it functions fine when backward pressure is applied too.
Is my chain too tight? Having said that, I popped it back on with a fair amount of slack > same problem.
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Thanks both, I've been following a few videos on't web down to a tee, and I've got the shifting working, the cables tensioned and threaded right, in lower gear for lower limit, higher ring for high limit etc (same positioning at the cassette too). But the outer limit screw and tweaking of the barrel adjuster both just have zero effect on moving the cage off the chain. They are cheaper Shimano ones like I said, so, I wanted to avoid it but I might give up and get new. Hours of adjustment has gotten me nowhere, so there's no more I can do.
It is clamp on, and I checked every positioning, up/down, side-to-side, chain cage as parallel as can be with chainring...
With the pedals, the cranks and everything else look fine, no rust to the chain, all properly greased but the pedal's just wedged in their tighter than Vanessa Feltz in a buffet exit...
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Working on two bikes today, fairly budget mtbs, both with low end Shimano mechs, I adjust the low limit screw to get the chain centred in the thing, but shifting up to the big ring and adjusting the high limit screw seems to do nothing, in fact screwing the high limit screw only has an effect just as it's about to fully screw in, but even then the chain still fouls the cage.
Hoping to avoid the generic ''just buy a new one'' answers and wanting to actually find out what the cause of the problem could be, has anyone experienced this before, or have any ideas what it could be? Is it a double front mech that isn't compatible with the triple chainsets they're fitted to? Cable tension/barrel adjuster is screwed in all the way and the cable's in good condition. Annoying.
...and just to hijack my own post - seized pedals > help? I'm thinking I need fire...
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Hactually pretty good...
http://www.bcmh.co.uk/wp-content/uploads/2014/04/FF_cinelli_01_right_new.jpg


Paint Porn thread instead?
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Stunning frame !!! They ride very well with sweet and sharp handling from original 410 a-c P2's .. More than 425mm would kill it IMHO
Here's my 95 cinder cone

Untitled by Plus one2010, on FlickrAs seen hijacking a Kona post on Glasgow's 'The Bike Station' Fb page ;)
...still, you wouldn't exactly not want folks to see this.
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5 minutes in the workstand, undid the tension arm and wheelnuts, reset chain tension and bam, works like a dream. Pretty likely I'd set the chain tension way too tight. Sigh.