Cogwalls, remember those. ya' know, when you wear out that cog you always used. what happened¿
- Thread starter ChromeChainstay
- Start date
Guinessisgoodforyou
rBotM Winner
Campagnolo key ring.
ChromeChainstay
Retro Guru
from the 80's, lever, when the italian's owned the industry
novocaine
Old School Grand Master
it's also used in watches, but they are cogs.
just to confuse things.
ChromeChainstay
Retro Guru
LSD and blotting paper would do, but the bike' pulled me out of that mess • long agoyou need to come in to the inner, you'll need something far harder after that.
Guinessisgoodforyou
rBotM Winner
Maybe up to the 70s but not after. People soon worked out it wasn't japcrap.
bikeworkshop
Senior Retro Guru
Chainwheel - traditionally used on the chainset on a bicycleor a wheel.
and sprocket, usually referring to the rear wheel mounted driver/s
A gear has teeth cut to mesh with another gear.
Your sturmey hubs have gears in them, but a sprocket on the outside, meshing with a chain, driven by a chain wheel.
The term "gear" is used to refer to the drive ratio, but then when people say they have five gears, they assume that the five sprockets on the back are called gears.
Of course the true pedant might prefer to use the term "speed" to refer to the drive ratio.
(Pretty common now eg with 11- speed cassettes)
Or maybe not
novocaine
Old School Grand Master
from an engineers point they are all wheels except a gear (unless it's a gear wheel which is a wheel with inserted teeth rather than cut).Chainwheel - traditionally used on the chainset on a bicycle
and sprocket, usually referring to the rear wheel mounted driver/s
A gear has teeth cut to mesh with another gear.
Your sturmey hubs have gears in them, but a sprocket on the outside, meshing with a chain, driven by a chain wheel.
The term "gear" is used to refer to the drive ratio, but then when people say they have five gears, they assume that the five sprockets on the back are called gears.
Of course the true pedant might prefer to use the term "speed" to refer to the drive ratio.
Or maybe not
a gear may not only mesh with another gear, it may also mesh with a worm (I'm being humorous here in case you missed it)
bikeworkshop
Senior Retro Guru
I thought a worm was a type of gear thoughfrom an engineers point they are all wheels except a gear (unless it's a gear wheel which is a wheel with inserted teeth rather than cut).
a gear may not only mesh with another gear, it may also mesh with a worm (I'm being humorous here in case you missed it)
novocaine
Old School Grand Master
that's the bit I was referring to in parenthesisI thought a worm was a type of gear though
I knew you'd miss it, my humour is good it goes over peoples heads all the time. 
