What's this chrome piece on a folding bike called?

General cycling advice ( NOT technical ! )
whleiva
Posts: 1
Joined: 26 Jun 2020, 12:35pm

What's this chrome piece on a folding bike called?

Postby whleiva » 26 Jun 2020, 12:42pm

I've been looking at folding bikes and some of the older ones have this chrome thing which looks like some kind of guard on the left hand side of the bike (the opposite side to the chain). Is it some thing to do with the internal gear hub? I've been searching for ages to try to find a spare part to find out what it's actually called but I've had no luck. So , what is this part?
Image Attachments
bike2.jpg

Cyril Haearn
Posts: 13575
Joined: 30 Nov 2013, 11:26am
Location: Leafy suburbia

Re: What's this chrome piece on a folding bike called?

Postby Cyril Haearn » 26 Jun 2020, 1:06pm

Something to do with the brake I think
Entertainer, intellectual, idealist, PoB, 60097
Cycling-of course, but it is far better on a Gillott
We love safety cameras, we hate bullies

User avatar
Paulatic
Posts: 5119
Joined: 2 Feb 2014, 1:03pm
Location: 24 Hours from Lands End

Re: What's this chrome piece on a folding bike called?

Postby Paulatic » 26 Jun 2020, 1:07pm

Isn't it a drum brake?
Whatever I am, wherever I am, this is me. This is my life

https://stcleve.wordpress.com/category/lejog/

User avatar
freiston
Posts: 747
Joined: 6 Oct 2013, 10:20am
Location: Coventry

Re: What's this chrome piece on a folding bike called?

Postby freiston » 26 Jun 2020, 1:31pm

Paulatic wrote:Isn't it a drum brake?

That was my thinking too. Not that I'm familiar with drum brakes though.
Disclaimer: Treat what I say with caution and if possible, wait for someone with more knowledge and experience to contribute. ;)

User avatar
Mick F
Spambuster
Posts: 49236
Joined: 7 Jan 2007, 11:24am
Location: Tamar Valley, Cornwall

Re: What's this chrome piece on a folding bike called?

Postby Mick F » 26 Jun 2020, 1:44pm

Roller Brake.
Similar to a drum brake.
Mick F. Cornwall

rjb
Posts: 3848
Joined: 11 Jan 2007, 10:25am
Location: Somerset (originally 60/70's Plymouth)

Re: What's this chrome piece on a folding bike called?

Postby rjb » 26 Jun 2020, 1:54pm

Could be a band brake. Sometimes referred to as a drum brake.
https://www.decathlon.co.uk/wheel-rear- ... gKW-fD_BwE
Image
At the last count:- Peugeot 531 pro, Dawes Discovery Tandem, Dawes Kingpin, Raleigh 20, Falcon K2 MTB dropped bar tourer, Longstaff trike conversion on a Falcon corsa. :D

Brucey
Posts: 39500
Joined: 4 Jan 2012, 6:25pm

Re: What's this chrome piece on a folding bike called?

Postby Brucey » 26 Jun 2020, 1:57pm

IMHO that is not a roller brake. It is either an expanding drum brake or a band brake. (cross posted with rjb)

cheers
-------------------------------------------------------------------------------
~~~~~~~~~~~~~~~~~~~~~~Brucey~~~~~~~~~~~~~~~~~~~~~~~~

AndyA
Posts: 449
Joined: 21 Mar 2009, 9:16pm
Location: Edinburgh

Re: What's this chrome piece on a folding bike called?

Postby AndyA » 5 Jul 2020, 5:05pm

I'd third band brake - terrible squealy hard to adjust things. Best avoided

User avatar
[XAP]Bob
Posts: 17420
Joined: 26 Sep 2008, 4:12pm

Re: What's this chrome piece on a folding bike called?

Postby [XAP]Bob » 6 Jul 2020, 10:02pm

My first impression was a band brake as well...

They're ok, but IIRC parasitic beggars.
A shortcut has to be a challenge, otherwise it would just be the way. No situation is so dire that panic cannot make it worse.
There are two kinds of people in this world: those can extrapolate from incomplete data.