KHS XCT-556 ---- Jan 2013 Pg. 5

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sanchez89
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KHS XCT-556 ---- Jan 2013 Pg. 5

Postby sanchez89 » Wed Oct 05, 2011 17:40 pm

Hi everyone,

Some of you may have posted in my thread a few months ago in the MTB Buying Advice section.

Well that thread cumulated in a big cardboard box arriving approx 2 weeks ago with a nice shiny new ride inside.

and here she is:

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this was the last medium sized bike available from KHS direct, Steve was great to deal with and i got a great deal on what so far is a great bike!

full spec is available from the KHS website but highlights are as follows;

Rockshox Revelation Dual Air 140mm fork with 15mm Maxle
Rockshox Monarch RT3 shock 140mm
SRAM X9/X7 transmission
Avid Elixir 5 brakes

she was bought to replace the faithful 'goose' that was only a year old but i wanted to change to a full susser for no more sore back.

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after plastering the vunrable bits in heli tape i took it for its maiden off road voyage over Cannock on the monkey trail, and performed very well, i can defo say there is an advantage riding a full sus over a hard tail, i was able to carry alot more speed through the sections, uphill aswell!, so much extra speed in fact i managed to bin it by overcooking it into a corner iv never had problems with before. well at least the first falls out the way.

The Maxle equipped fork makes a noticable difference compared to a quick release style, the front end feels solid, it just ploughs through the rough stuff just the way i hoped it would.

any comments are welcome good or bad
Last edited by sanchez89 on Sun Jan 06, 2013 16:46 pm, edited 13 times in total.

johnboy183
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Postby johnboy183 » Wed Oct 05, 2011 17:46 pm

She looks a beaut! My first bike was a KHS Comp a few yrs back and I've always had a soft spot for them. I believe they "left the country" a while back so it's nice to see them showing their faces again. Then again they were always vastly underrated at the time so I never saw many about..perhaps it should stay that way! Keep the secret eh!?

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sanchez89
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Postby sanchez89 » Wed Oct 05, 2011 17:53 pm

johnboy183 wrote:She looks a beaut! My first bike was a KHS Comp a few yrs back and I've always had a soft spot for them. I believe they "left the country" a while back so it's nice to see them showing their faces again. Then again they were always vastly underrated at the time so I never saw many about..perhaps it should stay that way! Keep the secret eh!?


Yep sounds like a plan to me.

Someone spoke to me over the chase and said what a nice bike it was, and that he's only seen photos in a magazine and on the web.

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sanchez89
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Postby sanchez89 » Thu Oct 06, 2011 17:17 pm

iv got a question that some knowledgeable person may be able to answer.

seeing as my Revelation fork is dual air i have quite a bit of 'tuneability' im led to believe.

iv been messing with the air pressures in the fork, when it was set-up in the workshop (during its PDI at KHS), they added 100psi in both positive and negative chambers, i gave them my weight (84kg) for this purpose.

when i look at the guide on the fork leg it states for my weight pressure should be 120-135.

now that seems very high to me. the fork with 100psi isnt as small bump compliant as i would like. i no it has to go through its bedding in period and will get smoother, hopefully. but it still feels bit firm. it takes the larger hits no problem, so im thinking i may need to lose some pressure and maybe but more in negative for better small movement response?

is it just a game of balancing bit hit strength vs small bump suppleness?

just wondering if anyone with a dual air rockshox fork could shed some light on how they set theirs up. and what pressures they used.

thanks in advance.

johnboy183
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Postby johnboy183 » Thu Oct 06, 2011 21:45 pm

errrr no. Sorry

dc71
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Postby dc71 » Fri Oct 07, 2011 02:06 am

Post the question in the workshop & tech section, I'm sure nicklouse or supersonic will point you in the right direction from there. There may even be a sticky/faq in that section for setting up dual-air forks.

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sanchez89
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Postby sanchez89 » Fri Oct 07, 2011 13:03 pm

dc71 wrote:Post the question in the workshop & tech section, I'm sure nicklouse or supersonic will point you in the right direction from there. There may even be a sticky/faq in that section for setting up dual-air forks.


yeah i had a look at the post in the FAQ section, didnt seem to help that much though.

ill stick a post up in the workshop section.

thanks anyway.

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sanchez89
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Postby sanchez89 » Sat Oct 08, 2011 17:37 pm

just been for a spin over the chase, monkey trail again, as usual.

what a fantastic ride!! iv been messing with the air pressures in shock and fork, and i think iv got them spot on.

dropped pressure in the shock a tad to about 190-195psi, so its running between 25 and 30% sag according to the marking on shock. and fork has dropped about 10 psi in each chamber with about 5 psi more in negative, so posi is 90, neg is 95.

bit more squishy on the climbs but i can use floodgate lever on shock which helps, and fork has lockout if needed.

but it gave me so much more confidence on the downhill sections, my riding mate who normally leaves me behind, got caught and passed on many occasions.

it just took everything i threw at it and wanted more. i dont think i could go back to the hardtail, and its only my second proper ride!

so to some it up in a few words.............. im lovin it!

pictures of muddy bike may follow soon if anyones interested.

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sanchez89
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Postby sanchez89 » Thu Oct 13, 2011 10:12 am

been doing some messing again.

while iv been out riding iv had the feeling the saddle is in the wrong position.

when i want to sit down and really crank up the climbs or along fire road i feel perched right on the back of the seat.

iv adjusted the saddle as far back as i feel safe, its past the max line on the rails, and iv adjusted the height of the post so its comfortable for climbing.

anybody know of either a saddle with longer rails or a post with more 'layback' the current one, which has approx 1 inch.

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MountainMonster
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Postby MountainMonster » Thu Oct 13, 2011 10:36 am

Have you gone for a ride with the saddle the way it is now?

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mrmonkfinger
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Postby mrmonkfinger » Thu Oct 13, 2011 15:05 pm

That's a tidy rig.


Revs:

I've ended up with about 10psi more in the negative chamber on my revelation dual airs (2010 model).

With them set the same, I could get the sag sorted and bigger hits were great - but small bump stuff was really wooden, just didn't react quickly. The extra pressure in the negative chamber seemed to sort that. I find the rebound speed needs to be about 3/4 of the way to its slowest setting for a nice ride, no issues with the fork packing but slow enough to be plush.

I'm about 90/95kg and run 100psi positive, 110psi negative.

tony620
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Postby tony620 » Thu Oct 13, 2011 18:10 pm

hey sanchez89

I posted in your thread, Looking great and khs do make nice bikes. Glad you are enjoying the bike and i have a feeling the reason you might have binned it on your first outing might be down to the WTB wolverine tyres they dont have an awful lot of edge grip.

as for the problem with getting the seat back i ran a lay back post but had a shorter stem but never found the bike to short.

what height are you, whats your leg length and what size bike did you get?

Regarding the REVs i have a feeling its the seals bedding in my dad had to run his rebas 20psi under to get full travel then after afew hours riding had to fill them up to recommended once the seals bed in.

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sanchez89
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Postby sanchez89 » Fri Oct 14, 2011 16:03 pm

tony620 wrote:hey sanchez89

I posted in your thread, Looking great and khs do make nice bikes. Glad you are enjoying the bike and i have a feeling the reason you might have binned it on your first outing might be down to the WTB wolverine tyres they dont have an awful lot of edge grip.

as for the problem with getting the seat back i ran a lay back post but had a shorter stem but never found the bike to short.

what height are you, whats your leg length and what size bike did you get?

Regarding the REVs i have a feeling its the seals bedding in my dad had to run his rebas 20psi under to get full travel then after afew hours riding had to fill them up to recommended once the seals bed in.


hi tony, thanks for your comments. im not fully decided on the tyres. i ran kenda small block 8's on the hardtail which in the dry were fabulous! the WTB's seem to be a more allrounder. The first ride on them was on a bone dry dusty trail, they seemed ok, had a few slides in the corners but nothing dangerous, but didnt stand out as great tyres, compared to kenda's anyway.

last week it was a slightly damp trail, and the tyres were completely different, no slides, loads of grip, incredible, spun up on some rocks while climbing but every tyre will do that.

i did drop the pressures slightly to be fair as i felt they were too firm. this along with the stickier conditions may have helped them.

i will have to wait and see with the forks but i will keep what you and other have said in mind.

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sanchez89
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Postby sanchez89 » Fri Oct 14, 2011 16:05 pm

MountainMonster wrote:Have you gone for a ride with the saddle the way it is now?


ill be honest and say no, but the position is only very slightly different from before. so i cant imagine much change.

saying that small changes sometimes make a big difference.

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sanchez89
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Postby sanchez89 » Fri Oct 14, 2011 16:08 pm

tony620 wrote:
what height are you, whats your leg length and what size bike did you get?



im 5ft 11, leg length i dont know off top of my head (but did give it when i bought bike) and its a medium bike as recommended by steve at KHS.

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stuisnew
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Postby stuisnew » Fri Oct 14, 2011 19:24 pm

Loving looking bike. Let's have some more photos then!

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sanchez89
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Postby sanchez89 » Sat Oct 15, 2011 10:15 am

some more photos as requested. will try and get some action shots of her out in the wild today.

Image

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stuisnew
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Postby stuisnew » Sun Oct 16, 2011 09:51 am

That is a really nice looking bike. That's quite a swoopy top tube!

It's an understated bike, which I really like.

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sanchez89
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Postby sanchez89 » Sun Oct 16, 2011 18:23 pm

stuisnew wrote:That is a really nice looking bike. That's quite a swoopy top tube!

It's an understated bike, which I really like.


thanks alot matey. alot of hyrdoforming and bending going on with all the frame tubes to be fair. i like it though.

really not liking the tyres at the minute tho. a dry weekend ment very little grip for the rear tyre. and i just dont no why.

same trails as last week, same speed, same technique and it just tried to kill me at least 3 times. back end kicking out totally unexpected. an instant loss of traction, and nearly the loss of my chin.

might put the small block 8's off the mongoose on, at least i no what to expect from them.

but also thinking some Maxxis Advantage, or maybe High Rollers/Nevegals?

my mate runs Nevegals on his giant and he's had them for 2 years and only now are they starting to show signs of wear.

suggestions welcome.

also does anyone know of a small trail pump and maybe big track pump for those stupid presta valves???

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sanchez89
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Postby sanchez89 » Sun Oct 16, 2011 18:29 pm

took the camera with us yesterday but hardly used it, got some vids of us messing about trying to look good/brave.

got a couple of pics too:

having a well deserved rest.

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My buddys Giant. hasnt seen a wash for at least 6 months

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my posey white helmet. lovely.

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heres some vids of us on a bit of naughty trail thats in plain sight and i cant believe we havn't been down before. its nice and flowy with loads of berms all the way down and a few little jumps thrown in for good measure.

my attempt at looking pro (click to view)

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young tom's go (click to view)

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