OK the uni arrived today, first impressions are fairly good especially the wheelbuild feels solid with the beefy 13g spokes. Frame is hydro-formed which is nice.
- “Fork” flex: I can pull the fork tips together by about 1cm using one hand. Is this considered normal? Using my Echo 20" trails bike fork as a reference, the same unscientific test results in about 2mm deflection (if that)—in a word: stiff. The frame with no seat post clamp, no bearing clamp and no bearing clamp bolts—so basically just the bare frame—weighs exactly 563g on my digital kitches scales.
Tealiang: 563g (presumed 6061-T6)
KH20: 605g, 7005-T6
Impact Gravity: 572g, 6061-T6
‘Knight’: Don’t know but definitely heavier and stiffer than Teliang
Echo ‘Urban’ 20" trials fork: 740g, 6061-T6
I suppose trials bike forks endure greater stresses than a unicycle frames, hence the added weight, however the Teliang frame does seem a bit too feathery. When I tap with my nails on the metal it rings hollow, whereas my trials fork rings in a way that you couldn’t tell if it was hollow or not without holding it in your hand. If that makes sense.
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The seat post goes deep into the neck, I could easily hack off 4-6 inches and the end would still be a couple of inches below the clamp. If I was to shorten it, what’s the recommendation i.e. how long below the top of the neck?
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How tight do I tighten the seat spost clamp bolts? The goal is to prevent the saddle from turning while riding the uni.
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No crank stops: The bearings are press-fit, and there is no spacer between the inner race of the bearings and the cranks a.k.a. ‘crank stop’. All trials bikes with ISIS bottom bracket have crank stops. Just read this thread: A small space where the axle is visible, should I worry about this?
On a side note, I can’t understand why anyone would want press-fit bearings. Am I crazy or something? A snug fit is sufficient if crank spacers are used.
Cheers!
All three tubes are hydroformed