Folding Bikes - Dahon MU SL - beyond first impressions

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dalmore
06-12-06, 05:32 AM
Well, I've now got about 75 miles on the seat of the MU SL so I thought I'd add a little more feed back to the forums here. Overall - very happy with the purchase But there are some issues that aren't that great.

It's a very zippy little bike. The frame is rock solid and very stiff. It's light. Handling is very responsive - even when you may not want it to be. Like the little tilt to get a better viewing angle on the scenery can steer you off the course. ;)

The ride is surprisely smooth. At least that's a surprise to me. I'm not terribly experienced as a biker and reading about aluminum frames, small wheels, high-pressure tires and hard seats made me expect something more like a skateboard but it's not like that at all. I can't say how much the pantour suspension hub is adding to the mix but I'm not interested in changing anything on this front.

I've moved the handlebars down and forward and moved the shifter over about a centimeter. Things feel much better now. Dahon's website touts the adjustable syntace VRO handlebar system - it's not quite all that as it only allows movement around an arc. Thus you can't just move the handlebars forward. You must also move them up or down some as well. Still, it's not an issue - I was able to get a nice comfortable position and I suspect most others will as well. I plan to change the bars to either drops or tt bars soon so that's all I'll probably ever have to say on the deliverd handlebars.

Gear train has performed flawlessly. I love the sram trigger shifter. The gearing is well suited for this bike. I haven't needed anything less than the 31 incher on the biggest hills. I've also decided that I can live with the 91-inch top end for the foreseeable future. It will force me to work on raising my cadence. Using very unreliable methods - I think I'm most comfortable with a cadence around 45 rpm at the moment. Way too slow. So the Schlumpf will wait for a bit while I upgrade the engine. :)

The brakes are not my favorites. I'm having issues with the front brakes sticking closed. I've tried adjusting them myself but to no avail. I'm going to try again before taking the bike into a shop since I'm trying to learn to do my own maintenance. As a result of the sticking - I've got noticeable pad wear already. When they are not sticking, I've not been overly impressed with the stopping ability of the brakes. They work but it's not like the Mangura hydraulics I have on the Speed TR. If this braking ability is all that v-brakes have to offer, I'll probably switch to center-pull road brakes when I switch handlebars.

One point to note, the MU's rear frame is wider than most. I've had my right heel strike the little cable support on a couple of occasions. If you commute wearing work boots or winter boots or something with a wide heel, this could be a very serious issue. You might be forced to adapt an unnatural pigeon-toed pedal posture since the support is braised on and is not movable. I have US size 9 feet but I do adjust my seat back behind the pedals a little more than the textbook recommendations.


spambait11
06-12-06, 09:35 AM
Have you tried screwing in the adjusting screws on the v-brake bars themselves? That gives some brake pad clearance. Center pull brakes introduce a host of other problems including how to keep the brake cable centered.

If your pads are wearing that fast, they're lousy pads. Might want to replace them while you're at it.

dubes
06-12-06, 09:48 AM
Also, before you give up on V-brakes, you might want to try a different set of brake pads. Much has been written on the attributes of various types of brake pads (since I do all-weather biking, I've become a convert of the salmon Kool Stops myself).


dalmore
06-13-06, 04:26 PM
As much as I hate to admit this publicly for not have spotted this sooner - perhaps someone will learn form my msitake. I found a problem with the v-brakes - seems somehow - perhaps during a fold, perhaps during one of my adjustments <shrugs> - the front noodle popped out of postion. :eek: I'm surprised the brakes worked at all with that noodle just resting there... With it back in place I'm getting much more predictable behavior now. Go figure...

Nitto Drops with a 25.4 clamp area are on order along with dia-comp v-brake road levers. I'm planning to use the existing sram trigger shifter either mounted on the flat part under the drops near the brakes as possible or back like a bar end shifter or finally up on top near the stem like brucemetras did on the TT Chamleon he posted the other day. I'm stoked. :D

spambait11
06-13-06, 04:39 PM
Wait... Don't you have the same Syntace VRO stem as on the SpeedPro TT? I'm assuming you can only adjust the handlebar by screwing/unscrewing the allen bolt?

dalmore
06-13-06, 06:25 PM
Wait... Don't you have the same Syntace VRO stem as on the SpeedPro TT? I'm assuming you can only adjust the handlebar by screwing/unscrewing the allen bolt?

That's true but I have a backup plan if the fold is too big. I don't expect it will be since I have no real need to fold. I just think it's neat to have a folder. :) In fact if I weren't fascinated with the folder I saw at a tradeshow in Chicago last October, I'd not even have a single bike much less two!

Anyway, I digress. My back up plan is replace the fixed height handlebar stem with a height adjustable set from Gaerlan that happens to have a quick release ...

Zonker
06-13-06, 07:15 PM
As much as I hate to admit this publicly for not have spotted this sooner - perhaps someone will learn form my msitake. I found a problem with the v-brakes - seems somehow - perhaps during a fold, perhaps during one of my adjustments <shrugs> - the front noodle popped out of postion. :eek: I'm surprised the brakes worked at all with that noodle just resting there... With it back in place I'm getting much more predictable behavior now. Go figure...

Nitto Drops with a 25.4 clamp area are on order along with dia-comp v-brake road levers. I'm planning to use the existing sram trigger shifter either mounted on the flat part under the drops near the brakes as possible or back like a bar end shifter or finally up on top near the stem like brucemetras did on the TT Chamleon he posted the other day. I'm stoked. :D


First, thanks for meeting me on the Trail and letting me ride your Dahons! I can read every post in this forum and still not understand what it's like to ride a folder without throwing a leg over one or two. I have even bid on a Birdy on Ebay! I have those levers you mention above on my touring bike and like them a lot, you will too, I'm sure. I just sold a pair of Nitto drops (25.4) that were on it, as I wanted to try the Nitto moustache bar. http://www.rivbike.com/webalog/handlebars_stems_tape/16027.html if interested in checking them out.

dalmore
06-14-06, 01:05 AM
Yea, I really liked the Silver Comet Trail. Good luck with the birdy bidding!! We'll have to hook up again - I wanna see that tandem in action!

Bacciagalupe
06-14-06, 09:22 AM
My back up plan is replace the fixed height handlebar stem with a height adjustable set from Gaerlan that happens to have a quick release ...
Wow, I'm surprised that the Mu doesn't have a QR. Does it fold OK without it anyway?

If you haven't done so, you should fold and unfold the bike a few times, make sure the hinges are adjusted properly, and use some Loc-Tite on the hinges. The hinges should have a little bit of firmness when closing, but not so much that it takes a major effort to shut. In addition to keeping the bike in good shape, you won't get caught flat-footed when you need to fold it. ;)

dalmore
06-14-06, 10:01 AM
Wow, I'm surprised that the Mu doesn't have a QR. Does it fold OK without it anyway?

If you haven't done so, you should fold and unfold the bike a few times, make sure the hinges are adjusted properly, and use some Loc-Tite on the hinges. The hinges should have a little bit of firmness when closing, but not so much that it takes a major effort to shut. In addition to keeping the bike in good shape, you won't get caught flat-footed when you need to fold it. ;)

Where were you when I got my Speed TR last fall!!! I had to learn that little bit on my own!!! I learned it when the handlebar post tried to fold while I was riding :eek: :eek:

The Mu SL has a quick release on one end of the handlebar stem for the hinge but not up top where the handelbars are. ;) It's a flat - mostly flat - handlebar and folds nicely. The drops will obviously change that - we'll see what transpires...