isitafox Posted January 14, 2010 Report Share Posted January 14, 2010 Right I got a new maggy on the back of my oldskool build as my olduns were buggered but I now face a problem. As my trials frame is an old one the rear spacing isn't wide enough for a trials rim. The spacing between the brake blocks is 36mm face to face and I was planning on running some Echo Urban rims, a front one on the back if needs be but sadly even that is too big (40mm!) so now I need some ideas. Can I run a front Echo TR on the rear which will just about squeeze in or should I grind some of the pad down to squeeze the Urban in although that won't leave me with much pad left. Don't wanna stick a disc on as I've bought the magura brand new and wanna run a 6 speed fixed rear hub which seem to be impossible to get with disc mounts. Any advice? Quote Link to comment Share on other sites More sharing options...
liam-pantera Posted January 14, 2010 Report Share Posted January 14, 2010 if your building a oldschool bike then one of the best rims would be a mavic d521 , back in the day they used to be great and there very thin also consider the sun ringle rim . Quote Link to comment Share on other sites More sharing options...
isitafox Posted January 14, 2010 Author Report Share Posted January 14, 2010 if your building a oldschool bike then one of the best rims would be a mavic d521 , back in the day they used to be great and there very thin also consider the sun ringle rim . Not bothered bout it lookin oldskool its just the frames in too good condition to warrant buying a new one. Only other problem I should have mentioned is I got vouchers for Tartys for chrimbo so need to be looking at them supplying the wheel build but if all else fails a 521 may have to be the answer Quote Link to comment Share on other sites More sharing options...
isitafox Posted January 14, 2010 Author Report Share Posted January 14, 2010 Right I've done some thinking (my brain hurts now) and I've come up with an idea. The brake blocks have around 7mm of surface so shave 2-3mm off each side, 36mm gap goes up to 40-42mm, order an Urban front for the rear and get a grind on it as well as that should make a difference if only a tiny one. Will it work? Quote Link to comment Share on other sites More sharing options...
Matt Burrows Posted January 14, 2010 Report Share Posted January 14, 2010 Possibly, i'm guessing the brakes are out as far as they will go? Other options include some new pads with slim backings (phatpads are slimmer than most) or some tensile brake mounts which are offset and will push the calipers out further. If you want an Urban front rim, I have a brand new silver one that I don't want and will sell cheap here Quote Link to comment Share on other sites More sharing options...
isitafox Posted January 14, 2010 Author Report Share Posted January 14, 2010 Never seen them tensile mounts mate thats a bonus. Thats that problem solved. And I would have had the rim off you but as I said earlier the wheels are gonna be paid for with a load of vouchers so with buying them mounts its not gonna save me much but cheers for the info and offer! Quote Link to comment Share on other sites More sharing options...
cai Posted January 15, 2010 Report Share Posted January 15, 2010 As long as your frames got 4-bolt mounts then Tensile off-set mounts are you answer Quote Link to comment Share on other sites More sharing options...
casualjoe Posted January 15, 2010 Report Share Posted January 15, 2010 Spank stiffy rims are a quality 40mm rim, Ive just put one on the back of my bike yesterday. Quote Link to comment Share on other sites More sharing options...
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