Does anyone know of a headset with thicker crown race to slacken head angle?

Moving from 160mm frame & fork to 140 and want slacken the angle without the weight penalty of a 160 fork. Any suggestions?

Cheers
Rich

on-one do a +5mm headset (deeper cups) mostly to stop fork/downtube interfaces but would help I'd guess.

or get a 'long' 140mm – it's the axle to crown distance that's important.

http://www.on-one-shop.co.uk/acatalog/info_HSOOSR5.html

On-One Smoothie Plus 5 is the one.

You won't make up all 20mm of stack with a headset though – as www said you'll want a fork with a long axle-to-crown, ie not Fox.

[EDIT] beaten to it!

Isn't there a Cane Creek headset (S3?)with a thicker lower cup for just this purpose?- though I'd like to find a magic headset to steepen head angles myself.

there is a "tall baseplate" +5mm for chris king headsets…
http://chrisking.com/parts/baseplates
works perfect..!
I had a cane creek headset before, a special one with a higher baseplate…it lasted exactly 3 months last winter….

2nd the smoothie here.

great bit of kit

Used to run one of these on my old bike:
http://www.woodmancomponents.com/catalog/categorie.php?cat=hea&lang=en

as a ball park 10mm difference in headstock height gives you 1 degree of head angle change ,,,

before all the Technical "experts" get on their high horses note the use of ball park ! in the preceding sentence

if you could cope with the change of bb height etc a 24 inch rear wheel would come close to what you want

Thanks chaps, most useful. On one looks cheaper option.

10mm on a 1100mm wheelbase bike gives ~0.5degrees.

5mm is gonna do sweet **** all.

yep, 20mm per degree on a normal mtb. 5mm is a 1/4 degree, but it's a permanent adjustment, rather than fork length which is only longer until the fork copmresses. 5mm on the headset is roughly = to 10mm on the fork when you take sag / working fork height into account. a +5mm cup (and maybe a bigger front tyre or bit of compression damping) will be a noticeable but subtle tweak, i've done it to a few bikes to experiment. it's deffo a tweak rather than a handling change though.

don't forget the effect on bb height & seat angle too

a +5mm cup (and maybe a bigger front tyre or bit of compression damping) will be a noticeable but subtle tweak, i've done it to a few bikes to experiment. it's deffo a tweak rather than a handling change though.

I always find it difficult in technical situations, where lower tyre pressures give more grip, but harder tyres slacken the head angle for more stability. It's hard to know what to do, isn't it?

Does anyone do a +2mm cup? I reckon +5mm would be a tad much for me. I'm just really after something to make up for reduced tyre tread depth on older tyres.

Its a shame no-ones invented an adjustable travel fork for these sorts of situations.

Use a +5m and a thinner inner tube (or use tubless as tubless deforms more) giving you -3/4mm.

"You won't make up all 20mm of stack"
It may be as much as 34mm of 'stack' difference if its something like a Fox 32 QR 140mm and a Fox 36/Rockshox Lyrik

"I'm just really after something to make up for reduced tyre tread depth on older tyres"
Does only your front tyre wear down then? If both are worn together, it won't make any difference to the angles

I find lowering the psi in the back and increasing the psi in the front gives as much as 3mm.

on a serious note…………………

Have you actualy ridden this frame yet? What if it's alrerady slack enough?

Or are head angles the new bass controll on car stereo's, manufacturers probably spend £000's geting the accoustics (or head angle) right, but everyone knows best and turns the bass (angle) up (down) +1.

Does anyone do a +2mm cup? I reckon +5mm would be a tad much for me. I'm just really after something to make up for reduced tyre tread depth on older tyres.

Not wishing to be overly rude, but can you really determine a difference in the way your bike handles because you've got 2mm less tread (not grip wise obviously, but head angle wise!)?

Does anyone do a +2mm cup? I reckon +5mm would be a tad much for me. I'm just really after something to make up for reduced tyre tread depth on older tyres.

Not wishing to be overly rude, but can you really determine a difference in the way your bike handles because you've got 2mm less tread (not grip wise obviously, but head angle wise!)?

Stay on the ball.

He's using sarcasm as a form of humour

Stay on the ball.

He's using sarcasm as a form of humour

oh! Sometimes hard to spot on here amongst all the shite people spout!

😉

I've got a Cane Creek S3+5mm, although it's more to stop the cable stops on my Meta 5 from twatting the fork crown.

Acros make a 6mm crown race riser to fit their AH-06 headset which already has a large stack height.

J