Conversion to stiff from suspended front
I have a bike with front suspension. Here is the pic:
http://img841.imageshack.us/img841/8...forster.th.jpg Uploaded with ImageShack.us Considering geometry of this bike, do you think it would be OK to change the front suspension for a pair of normal, stiff, forks? I hate suspension. The bike is used for a 7 mile commute to work (and 7-10 miles back) all year round. |
Yeah, it would be fine. You just need to find a fork adjusted for suspension. Measure from the axle to the crown and try to find a rigid fork with a similar length. Only trick might be finding a threaded fork these days.
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Originally Posted by goatalope
(Post 13266607)
Yeah, it would be fine. You just need to find a fork adjusted for suspension. Measure from the axle to the crown and try to find a rigid fork with a similar length. Only trick might be finding a threaded fork these days.
Originally Posted by goatalope
(Post 13266607)
.. Only trick might be finding a threaded fork these days.
There are various workarounds that sometimes allow you to use a quill stem in a threadless fork, but I'd just go for the replacement instead. |
I did the same thing with my mountain bike. I took the crown race off the suspension fork and re-used it on the rigid fork. Mine was threadless so a had to cut the steerer tube and install a new star nut. The conversion was fun and easy. In your case, I checked on line parts suppliers, and there are threaded forks available for 26" mountain bikes. Good luck.
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Thanks for help. I measured compressed forks. From bottom (axle) to the part where they come inside the frame, it is about 18-18,5 inches. However, all the bike shops I went to (3 so far) convinced me that I can't find forks that long and that frame is made for suspension. Bollox?
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Originally Posted by Slaninar
(Post 13271533)
....I measured compressed forks. From bottom (axle) to the part where they come inside the frame, it is about 18-18,5 inches.
Originally Posted by Slaninar
(Post 13271533)
.... However, all the bike shops I went to (3 so far) convinced me that I can't find forks that long...
Does the bike have 26" or 29" wheels? If it's a 29er/hybrid I had no trouble at all finding a rigid fork with a fitting length. If it's a 26" I reckon a rigid fork suspension corrected for 100 mm travel should be a decent fit. Didn't find one of those as easily though. If you're willing to switch to disc brake front as well, you can certainly get away with using a 29er front fork and a 26" wheel.
Originally Posted by Slaninar
(Post 13271533)
...... all the bike shops I went to ..convinced me that .. frame is made for suspension.
Rigid forks with 430 mm axle-to-crown are easily available. It'd be a bit of a drop, but IMO not enough to render the bike unrideable. |
Originally Posted by dabac
(Post 13271589)
So about 460 mm. Does the bike have 26" or 29" wheels? If it's a 29er/hybrid I had no trouble at all finding a rigid fork with a fitting length.
Originally Posted by dabac
(Post 13271589)
Well, sure it is. But I'm betting there's a sus-corrected fork that'd fit it anyhow.
Rigid forks with 430 mm axle-to-crown are easily available. It'd be a bit of a drop, but IMO not enough to render the bike unrideable. I mean, is it just me or this supended bike seems like the old stiff forked with an under inflated tyre? It sort of goes less fast. |
Originally Posted by Slaninar
(Post 13271661)
Yes, 460 mm. It has the big wheels, bigger than mountain bikes. I thought it is 28". Like 700 tyre (has written 700 x 38 C, or like 40 X 622)..
Originally Posted by Slaninar
(Post 13271661)
If 430 is standard, it isn't that much shorter than this setup, I think. ... I'll try 430 ones.
Originally Posted by Slaninar
(Post 13271661)
If 430 is standard, it isn't that much shorter than this setup, I think. I figure going to a bike shop and asking for 460 mm rigid for for 28" (or 29"?) tyre bike, with normal (v-brake) brakes would be the righ thing to do?
Well, or any other fork of similar dimensions.
Originally Posted by Slaninar
(Post 13271661)
I mean, is it just me or this supended bike seems like the old stiff forked with an under inflated tyre? It sort of goes less fast.
What merits the use of suspension is that eventually there is a point where a rider will lose more energy by compensating for bumps manually than he'll lose by pedalling. |
Deleted this post. Sorry. Wrote the whole thing thinking the OP had a 26er, when that's not the case.
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Thank you again for advice. Now I know what to look for. 430mm rigid forks are the longest I could find. My compressed suspension is around 460-470 mm. Still not sure if the difference is too big. If I don't find longer forks in a week or two, I'll probably go for the 430 ones. Or, considering appaling quality of Serbian roads, get a better shock (with a lock option).
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