Xootr Crossrack on folding bikes
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I just had to deal with the "luggage on a folder" problem myself and posted about it. I like this rack as such, but I can not imagine using it on a dayly basis w a loaded pannier. First of all I would load the front of a folder first (can be done with the rack). Having this thing hanging from a Brompton or other looong seatpost (the swift one is shorter) must put serious stress on the seatpost/frame! I would only use it for a wery short and rare ocation or look for a different solution.
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I don't know if I mentioned this, but the rack itself is attached to a metal stub which is under the saddle. the rack can be removed which leaves the stub under the saddle. The stub is so compact that it manages to folds without without any hindrance to the fold.
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I just had to deal with the "luggage on a folder" problem myself and posted about it. I like this rack as such, but I can not imagine using it on a dayly basis w a loaded pannier. First of all I would load the front of a folder first (can be done with the rack). Having this thing hanging from a Brompton or other looong seatpost (the swift one is shorter) must put serious stress on the seatpost/frame! I would only use it for a wery short and rare ocation or look for a different solution.
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Ajam, how is stability of the xootr detachable part: Does it wiggle a bit side-side or rotationally while riding? When riding up inclines, any more tendency for front wheel to raise off ground? Would be nice to see pic with the rack removed from its quick release too to show its footprint
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Quick question for those crossrack owners: I recently purchased a crossrack for my Mu Uno and attempted to install it. It appears one of the four screws (the longer ones) that attach the stub to the seat post is considerably longer than the other three. I realize the setup comes with 4 extra smaller screws for handlebar installation, but I can't figure out this one longer screw. Its driving me crazy
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Quick question for those crossrack owners: I recently purchased a crossrack for my Mu Uno and attempted to install it. It appears one of the four screws (the longer ones) that attach the stub to the seat post is considerably longer than the other three. I realize the setup comes with 4 extra smaller screws for handlebar installation, but I can't figure out this one longer screw. Its driving me crazy
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https://www.walmart.com/ip/Sportline-...ottle/12546148 if you like the bottle.
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Sometimes, one just has to bite their tongue and admit a mistake. Guys the crossrack is not good alternative to standard panniers on a brompton. It hasn't damaged my brompton, but it is very impractical. It is ok in addition to the brompton options, but not as the only luggage option.
Last edited by ajam0153; 08-11-11 at 09:45 AM.
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Could you elaborate?
This chap uses one on the seatpost:
https://practicalbiking.org/2011/08/w...ding-bike.html
This chap uses one on the seatpost:
https://practicalbiking.org/2011/08/w...ding-bike.html
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My biggest issue with the setup was the amount of stuff I was carrying. I've been carrying heavier loads, more than what I used to when purchasing the rack. All that weight hanging of the top of a long seat-post has been concerning for sometime. So I removed the mounting stub from seat-post and sure enough, there were small kinks on seat-post. Nothing severe, but overtime it could weaken the post causing some sort of catastrophic failure. Also, I hate shoulder type bags. Some people like them, I hate them. The rack also sticks out too much and looks ugly when the bag isn't mounted. Lastly, there is a rear rack on my brompton. Why not use a system which lets that rack support all the weight?
For my uses, the cross-rack/crossbar system isn't a good choice if that as the only luggage carrying option. It might work for someone who wants to tour on a brompton and wants an additional rack and bag. But loads in excess of 20 lbs affect the handling ( top heavy......tippy) and jeopardizes the structural integrity of the seat-post. Finally, I've found another system which lets the rear rack support all the weight. I will be posting about that soon.
For my uses, the cross-rack/crossbar system isn't a good choice if that as the only luggage carrying option. It might work for someone who wants to tour on a brompton and wants an additional rack and bag. But loads in excess of 20 lbs affect the handling ( top heavy......tippy) and jeopardizes the structural integrity of the seat-post. Finally, I've found another system which lets the rear rack support all the weight. I will be posting about that soon.
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Were those kinks caused by tightening of the mounting stub or weight? I think the pressure from tightening would easily exceed that caused by the cantilever. I have used the cross-rack with rubber shims for protection.
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It might have have been caused by tightening the mounting stub. I directly mounted it to the seat-post. But still, I'm still not comfortable with hanging 20 lbs + from the top of a long seat-post.
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- The rider weight the bike is rated for
- The weight of the actual rider
- How far the seat post is extended
- how far the rack sits from the seat post
With a rider who is tall and heavy enough, adding any weight may be an issue. With a shorter lighter rider, the maximum rack rating could be no problem at all.
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I'm 6'1 and weigh about 150. I have an extended (non telescoping) steel seat-post which is about 1.5 inches from being fully extended. I mounted the rack as far down as possible, while still allowing the seat-post to retract and act as brakes while the bike is folded. When mounted the cross bag hangs about 7-8inches away from the seat-post. I was having to carry more things with me, passing the 25lbs weight limit of the rack. This was noticeably affecting my cornering speeds as the brompton felt unusually top heavy. But the main reason I switched was because i found another setup which lets me mount just about any backpack and have the brompton rear rack support all the weight. Also I hate shoulder type bags (messenger bags, crossbag etc.) and being able to mount a backpack convinced me to switch. I stole the idea from these guys
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I just wanted to thank all you guys for your posts. I hope this thread serves as a valuable resource for anyone looking into luggage solutions for their folders. I've decided to use another system because it works better for me than the xootr cross-rack. I'll be posting about that soon with detailed pics.
Mounting a backpack on a brompton.
Mounting a backpack on a brompton.
Last edited by ajam0153; 09-23-11 at 06:12 PM. Reason: more info
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carradice sqr, carradice sqr, carradice sqr. but only after exhausting all the (admittedly expensive) brompton custom bag options