The QUICK question thread.....

Slowman said:
No way I'd ever spend that much on a TV especially from a dodgy Chinese electronic goods company like Hisense. Cheap Chinese Chit.
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Our Hisense lasted 6 years. Guess who makes a lot of the world's TV panels? BOE and TCL - both Chinese.

Samsung and LG are the other two major players.
 
I am looking at swapping out a 150 mm air shaft for a 160 mm. I have slowed down a lot; only a few drops now and very little jumping. But really, is the 10 mm less travel going to make too much difference? Maybe a 0.5 degree difference in the head angle?
 
birddog69 said:
I am looking at swapping out a 150 mm air shaft for a 160 mm. I have slowed down a lot; only a few drops now and very little jumping. But really, is the 10 mm less travel going to make too much difference? Maybe a 0.5 degree difference in the head angle?
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4/5ths of bugger all IMO. The weight of the fork will still be essentially the same, and unless the bike is massively overforked already it won't change the character of the bike massively. As you say the shorter air spring might steepen the head angle a little, and sharpen the handling on the front end a smidge - but it could potentially also feel more willing to flick you over the bars if you jam the front wheel into something and the fork bottoms out (or not, you might end up running more spacers under the stem to compensate for the reduced axle-to-crown...). If you're happy with the bike's geo as is - you could try bumping a couple more psi into the fork, and/or jam a volume reducer or two in so it ramps up just a bit faster. Typically most of us don't use full fork travel very often, so the decrease in airshaft length is more about getting the air spring to ramp up faster. Effectively more psi and/or a volume spacer it'll be shorter travel without having to take the fork lowers off.
 
beeb said:
4/5ths of bugger all IMO. The weight of the fork will still be essentially the same, and unless the bike is massively overforked already it won't change the character of the bike massively. As you say the shorter air spring might steepen the head angle a little, and sharpen the handling on the front end a smidge - but it could potentially also feel more willing to flick you over the bars if you jam the front wheel into something and the fork bottoms out (or not, you might end up running more spacers under the stem to compensate for the reduced axle-to-crown...). If you're happy with the bike's geo as is - you could try bumping a couple more psi into the fork, and/or jam a volume reducer or two in so it ramps up just a bit faster. Typically most of us don't use full fork travel very often, so the decrease in airshaft length is more about getting the air spring to ramp up faster. Effectively more psi and/or a volume spacer it'll be shorter travel without having to take the fork lowers off.
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Thanks. Currently running at 160 mm but would like to try this other fork at 150 mm but don't want the hassle of the change of air shafts over as it was just recently completely serviced.
 
birddog69 said:
Thanks. Currently running at 160 mm but would like to try this other fork at 150 mm but don't want the hassle of the change of air shafts over as it was just recently completely serviced.
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I doubt you'll notice, especially if you jam a 10mm spacer under your stem to keep your bars at the same height. Assuming the axle to crown height is the same between the forks.
 
Mattyp said:
I doubt you'll notice, especially if you jam a 10mm spacer under your stem to keep your bars at the same height. Assuming the axle to crown height is the same between the forks.
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Thanks, pretty much what I thought. Yeah, the spacer would help not to lower the stack.
 
My son rides a beater bike (Trek Marlin - https://www.trekbikes.com/au/en_AU/...untry-mountain-bikes/marlin/marlin-6/p/16373/) to school and back but his tyres are almost bald now and now has a puncture (what are they?!).

I found some $10 Ground Control 29 x 2.2 tyres online but the shop only has 29 x 2.4-2.8 inner tubes for sale. Can I get away with using these on a narrower tyre on a 20mm rim?

TLDR;

Can I use 29 x 2.4-2.8 inner tubes in a 29 x 2.2 tyre (on a 20mm rim)?
 
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