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Technical advice needed - 2006 Giant Trance Rear Shock

By jp - Posted on 29 September 2009

NB: Originally posted elsewhere on the Global Riders Network and appears via syndication.

I need a new rear shock for my 2006 Giant Trance, and I saw this great deal online:
Can anyone advise me on whether that shock will be OK for my bike?

What is on it now? Why do you need a new one?

Just make sure the size (length) is correct. Note that CBO have extra 20% off hot deals at the mo. If you order something from them shout out as I'd like some White Lightening (about quarter the price of your LBS - sorry, but that mark up for lube is not fair Sad).

You might also like to check the Fox site and see what technology improvements they've made since that model.

Thanks for your advice Rob. It has a fox float R on it now... I'll check the length. It still works but is starting to make some strange noises. I figured it's cheaper to get a replacement while they're on special than get it serviced. It's done about 10,000kms of off-road without a service, so I can't complain. And I'll certainly let you know before I place an order.

Slightly off topic:

What's wrong with your old shock? other than

It's done about 10,000kms of off-road without a service

There's your problem right there Eye-wink

DIY Servicing shocks is pretty easy, you can buy a new seal kit from Fox for around US $6, all you need is a vice and quick watch of this vid (this is for an RP23 but I suspect the Float R is not that much different to service)

Too easy!

I can confirm that seal renewal is dead simple. Just follow the instructional vid in the link above, and it will all be done in about 15 minutes. I did my Fox Float RL on the weekend. Fox has very sensibly kept the seal kit unchanged over the last 6-7+ years and the same kit does all their air shock models. Smiling

However, I have no idea why the seal kit is 3x the converted US price by the time the LBS has lightened your wallet. Sad

I believe for shock sizing it is important to measure the overall length as well as the stroke length (ie the length that the shock can compress)

Can be downloaded from here

Also have a dig around the Fox Service Center


for the advice - I'll have a go at servicing.

Anyone home serviced a DT rear shock before? Dirt Works wants $150-$180 for a service. I can get the seal kit for around $35 from CRC, so I'm thinking of giving it a crack myself.

Assuming this is for your shock, you can download the service manual here:

Good luck

I have recently serviced my Fox RP3 shock air chamber. The seal kit for $35 is only for the air chamber NOT the shock (hydraulic part). The reason why the service costs $150 is because they service the air chamber and the shock hydraulics.
Just a thought:)

Servicing the hydraulics in most shocks is not a user maintenance task.

A lot of shocks contain pressurised nitrogen in the damping chamber. Attempting to open can result in serious injury. The bang mine made when I opened the air spring canister according the vid was scary enough (it was "stuck down") - it was sufficient to teach me healthy respect and I don't think I'll be tempted to disregard the warnings about attempting to service the damper. Sticking out tongue

The reason Dirtworks (or anyone else) charge to service a suspension unit is because they know how to do it and you don't. And yes, they service far more than the seals in the main chamber.

I guess it's better to do it properly the first time. Although it doesn't look too hard according to the manual??

My bike is a money pit at the moment, so if there's a possibility to save any money I'll be investigating it!

I reckon you should give replacing the seals a go. If your problems still persist then look at having the chamber serviced, get a price first though.

There's no problem with it. It's just that it's never been serviced since I've had it (over a year). Maybe I'll just give the seals a go.

For giving it a go. It will certainly help you understand your bike a lot more and give you the confidence to do more and more repairs yourself.

FWIW I haven't needed to service my shock yet, but I will soon. I'm actually looking forward to it.

Good luck!

I serviced my DT Swiss rear shock on the weekend. It was pretty easy. I disassembled it as per the manual and laid out all the new bits on the bench and compared them to what I pulled off the shock. I cleaned and greased everything, including the new bits and put it all back together. Haven’t had a ride yet due to the weather, but from bouncing around on the bike in the garage it all seems to be working. Smiling

That's great to hear BT, let us know how it goes on the trail.

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