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Bolt thru bollox

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not johndub71:
The race bikes then are really different beasts to bitd be it looks and tech.

gossa:
Ok back from Interbike, the BMC BMX wasn't there and bolt thru for BMX is very limited so far, nobody getting too excited about it.

I did however speak to Ian Collins (Colinsboy) from Renthal and suggested he do a 31.8 tapering BMX bar and stem, might work with him on some prototypes.

Most bars and stem in road/mtb are now 31.8 clamp diameter.

That's all, not a lot of BMX going on out there but I did see this, bike of the show for me, a Santa Cruz DH bike converted by Phil Wood to take snow bike tyres, it was an engineering masterpiece, they said it was for sale after the show for $30,000!

http://www.bikerumor.com/2012/09/07/phil-wood-shows-converted-santa-cruz-v10-dh-fat-bike-plus-new-track-crankset-seat-collars/

HEYWOOD BMX:
 Not sure on my thoughts on the thru axle malarkey yet,would bigger cones on 10mm axles improve stiffness? As for 31.8mm clamping area on bars/stems,is it really something that is change for the sake of it? Sure it`d be strong but most bars are butted/heat-treated these days.Looks like SpeedcoIntenseSinzPromax are all over everything,be nice to see more of other manufacturers BMX stuff....Did one of their frames have a 1 1/8 to 1.5 stepdown headtube???

gossa:

--- Quote from: VOIVOD on September 22, 2012, 10:54 PM --- Not sure on my thoughts on the thru axle malarkey yet,would bigger cones on 10mm axles improve stiffness? As for 31.8mm clamping area on bars/stems,is it really something that is change for the sake of it? Sure it`d be strong but most bars are butted/heat-treated these days.Looks like SpeedcoIntenseSinzPromax are all over everything,be nice to see more of other manufacturers BMX stuff....Did one of their frames have a 1 1/8 to 1.5 stepdown headtube???

--- End quote ---

I saw the Speed Co frames, didn't notice if they had a tapered steerer. On the bars, there is an issue in the tapering of the bars then the acute bend upwards but if it could be done I think it would make a significantly stiffer/lighter set up for racers. You just couldn't imagine an MTB or road bike now with skinny bars.

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