What is the reason the braking surface of a disc has so many holes?
04-30-19, 03:19 AM
#51
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04-30-19, 03:45 AM
#52
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04-30-19, 05:42 AM
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04-30-19, 07:12 AM
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The holes help the rotors clear gunk from severed body parts.
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04-30-19, 08:06 AM
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04-30-19, 03:16 PM
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I live in a very cold and hilly place and I am looking at disc brakes specifically for a winter bike to commute with. I am not a racer and cycling has helped me lose weight. So with these factors in mind, I think I can survive disc brakes with no holes in them since I am fat (need more stopping power) and ride in freezing minus 20 C (no fear of disc getting too hot).
04-30-19, 03:24 PM
#57
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Drum brake hubs.. they have been reliable for 40+ years..
friction material surface in the shoes is large , so don't wear much at all..
I built wheels for my winter MTB build .. studded tires.. from Finland..
friction material surface in the shoes is large , so don't wear much at all..
I built wheels for my winter MTB build .. studded tires.. from Finland..
04-30-19, 03:37 PM
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Are you talking about this?
I have a 6 speed mtb bike with these but have no idea how to repair them. It has an arm screwed down to the front fork and rear frame making removal quite difficult. If they are some sort of primordial disc (reliable?) brakes then I need to hunt the vintage bike yard for a winter build.
I have a 6 speed mtb bike with these but have no idea how to repair them. It has an arm screwed down to the front fork and rear frame making removal quite difficult. If they are some sort of primordial disc (reliable?) brakes then I need to hunt the vintage bike yard for a winter build.
04-30-19, 09:31 PM
#59
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sturmey archer makes a variety of products.. Sturmey-Archer | Products
Ive been using my British made ones since brfore the company resold many years ago ..
with a V brake lever very little hand lever motion is required ...
y
Ive been using my British made ones since brfore the company resold many years ago ..
with a V brake lever very little hand lever motion is required ...
y
