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Disabling coaster brake?
i have a cheapie (Nashbar) commuter that came originally with a 3-speed internal gear and a rear coaster brake. I added a front brake, as the coaster wasn’t really adequate. I have a spare caliper and lever, so I’m pondering adding a “proper” rear brake and doing away with the coaster. I don’t want to replace the wheel or the 3-speed hub, so how can I inactivate the coaster brake and leave the rest of the hub functions intact? |
Does it rain much in NC? If you get a fair share of the wet stuff I'd suggest that there's much to be said for the coaster brake at the rear and a rim brake on the front.
From my own commuting by bike I found that the front wheel and particularly the braking faces of the rim did not get overly gritty even in the wet stuff. But the REAR ! ! ! !.... I swore that a sand truck had dumped on me when I wasn't watching on more than a few occasions. And this was just from some street and some paved walking and riding paths. And in fact I went over to disc brakes when the prices became tolerable in the blink of an eye for this reason. So perhaps instead of disabling the coaster it may be better to ask what can be done to make it a little, not a lot, more powerful instead. A good performing and easily modulated coaster brake which can deliver all the back wheel will tolerate for braking in the wet could be a wonderful thing. You've done a HUGE improvement already by going with a good front brake. Even in the wet we get a good 60 to 70% of our braking from the front. And more than that in the dry. Just need to learn to modulate the pressure so as to not shock the contact patch in the wet.... well... same for the dry too. But in the dry the transition can be a lot faster obviously as long as they are still not a sudden clutching of the lever. |
remove the traction strut arm..?
Ger another rear wheel Sturmey Archer hub? .. or Shimano ... they go to 11.. ;) ... |
Originally Posted by fietsbob
(Post 20783052)
remove the traction strut arm..?
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You can open the hub and remove the brake shoes. But it will be a kinda-sorta fix. It won’t allow you to back-pedal like on a regular SS/derailer gear bike. Mount a rear rim brake if you wish, but leave the hub alone. There’s very little to be gained from disabling the coaster brake. |
Originally Posted by fietsbob
(Post 20783052)
remove the traction strut arm..?
Removing the brake shoes is a better option. |
Originally Posted by BCRider
(Post 20783057)
I may be wrong but doesn't it need that for the internal hub shifting as well?
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Originally Posted by BCRider
(Post 20783057)
I may be wrong but doesn't it need that for the internal hub shifting as well?
* there is a , lot of internal torque with double reduction gear ... .... |
Have you ever disassembled a coaster brake hub? Or rather, have you ever tried to reassemble one? I did it once, and vowed to never open one of 'em again. I still don't know how I got it all back together.
I would just leave it alone. Go ahead and add a caliper, but leave the hub alone. |
Originally Posted by Litespud
(Post 20783000)
i have a cheapie (Nashbar) commuter that came originally with a 3-speed internal gear and a rear coaster brake. I added a front brake, as the coaster wasn’t really adequate. I have a spare caliper and lever, so I’m pondering adding a “proper” rear brake and doing away with the coaster. I don’t want to replace the wheel or the 3-speed hub, so how can I inactivate the coaster brake and leave the rest of the hub functions intact? I suspect the Shimano 3 speed would have similar possibilities, but that is one model of IGH that I have not thoroughly explored. |
Originally Posted by Koyote
(Post 20783840)
Have you ever disassembled a coaster brake hub? Or rather, have you ever tried to reassemble one? I did it once, and vowed to never open one of 'em again. I still don't know how I got it all back together.
I would just leave it alone. Go ahead and add a caliper, but leave the hub alone. |
A rear caliper brake may not stop better than a coaster brake. If you want to do it so that you can backpedal, then follow the instructions above. If you just want to stop better, don't bother. A front brake plus coaster brake really should be adequate.
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And perhaps someone will like the coaster brake wheel , and so why not replace the whole wheel & sell off the one you don't now want ?
I like the new S-A NIG 3 speeds.. |
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