Sunday, August 23, 2009

Banshee Amp 4x, DS, DJ build


Banshee Amp, new ride. James set me up with the frame, I ordered some new parts, moved some old parts over, and now it's finally built and tuned. I'll spare you the usual Amp comments (light, easy to manual, good tire clearance, etc..) and get to some stuff not often mentioned. What stands out most is the chainline. One drive side spacer for the XT bottom bracket and a set of the thicker spacers that came with the e-13 LG1+ chainguide and the chain is perfectly straight when centered in the cassette. This might not seem like a big deal, but it really makes the bike ride smooth and noiseless (because the chain isn't rubbing on either side of the chainguide) in every gear. The front chainring only clears the chainstay by about 1-2mm using a 36t, so it looks real clean/precise. Of course is you are running single speed like most, none of this matters :) Another subtle detail, running an 80mm fork actually drops the nose just slightly. In other words, with an 80mm fork the chainstays run a slight decline from the rear wheel to the bottom bracket which means a 100mm fork would be perfect but you could get away with 120-140mm fork without feeling like you were already doing a wheelie. Lastly, although generic, the seatclamp works as supposed to and looks clean and the internal headset is deffinetly a plus. Going to ride at the jumps/pump track now, laters.

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