Bicycle Mechanics - Strong wheel suggestion
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11-14-04, 09:48 PM
I just turned my old mtb into an Xtracycle http://www.xtracycle.com/html/home.php. I love the thing but I think it needs a new rear wheel now to carry the load and I was wondering if I could get some recommendations. It's a 7 speed setup (can I just add a spacer to an 8/9 speed hub?) and I was hoping to keep the price under $70. I know I could spend hundreds if I wanted to but I'm hoping for a good strong plain-Jane wheel in that price range. I plan on mostly urban riding but fairly agressive. Also, I was wondering if 32 spokes would be sufficient or if I should go with 36. Anyone out there know wheels?
11-14-04, 10:35 PM
DT Alpine spokes
wide box rim
3 cross lacing
With the above and moderate weight over the wheel 32 spokes will be OK. You can convert the hub spacing but its going blow your budget.
11-15-04, 05:03 AM
The key is the distance between your rear dropouts. Find an accurate ruler and measure that in millimeters.
If that distance is 135mm, that's the current standard. You can buy a new 8/9-speed wheel and put a spacer behind your existing 7-speed cassette. You'll probably have to file the protruding ends of the rivets off of your cassette.
If that distance is something less, you are probably going to have to modify some part of whatever you choose to use. It might turn out to be both cost effective and quality effective to have a Sun CR-18 rim laced onto your existing hub. That's a stout but plain jane rim. It's a better rim than you're probably going to get with a budget pre-built wheel. I think that's what I would do if it were my bike.
11-15-04, 08:25 AM
Are you sure you need a stronger wheel. Although you will be carrying more luggage over the wheel, less of your weight will be carried by the rear wheel because of the longer wheelbase.
This would be my suggestion (http://www.pricepoint.com/detail/13297-365_SHILB4-3-Parts-75-Wheelsets/Shimano-LX-Wheelset--w_-Sun-Rhyno-Lite-Rims.htm). Granted it's a wheelset rather than a single wheel, but for the extra $30 bucks I'd do it.
11-15-04, 07:16 PM
Thanks for the replies. The reason I'm replacing my current wheel is it's age: 11 years old. I haven't had a catastrophic failure but when I load up my bike there is a wobble in the back that I think is due, in part, to the wheel. I've decided to just replace it and not spend any money fixing up a wheel that may be reaching advanced middle age. I figured I'd get new everything-hub, spokes and rim. I'd love to try my hand at wheel building but I think I'll need to save that endeavour for a later time in life. Looks like Sun rims are highly recommended so I'll hunt around and see what I can find in a prebuilt wheel with the Rhyno Lite or CR-18 rims. Seems like no one was too concerned with the spoke count so I'll get 32 or 36, whichever comes my way. And I bet I won't find anything with a 7-sp hub so I'll be filing those rivets. Thanks again. I'll let you know what I get.
11-15-04, 07:41 PM
Hey, any comment on these?
Sun wheels (http://www.beyondbikes.com/BB/ba/asp/IC.WH%2DSBS%2DXTRyno/ab/ItemDesc.htm)
I haven't had much luck finding an individual rear wheel so I figured I might get the set and save the front for whenever I need it. Kinda blows the budget a little though. These say "hand built". Is that a gimmick or legit? That's what attracted me to this particular pair. I've heard bad things about machine built wheels and I figured if it doesn't mention being hand built they probably aren't.
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