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Thread: BOS Deville

  1. #1
    TSC
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    BOS Deville

    Iím interested in buying a BOS Deville, BUTÖ

    BOS has recently stopped allowing service centers to service forks from foreign customers. In the USA there isnít a BOS service center.

    BOS has stopped selling individual seals and is requiring the purchase of their full service kit, which is quite expensive for doing minor service.

    Edit: I've decided to go with a modified fork from avalanchedownhillracing.com. I haven't seen a comparison between the Deville and but one poster whose opinion I value is in LOVE with Lyrik w/Avy mods. It self-serviceable and I can get Avalanche's help in the US if I need it.
    Last edited by TSC; 05-09-2012 at 02:07 PM. Reason: Update

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    TSC, tomorrow I will ring R53 Sport (the UK distributor) and find out for sure about the manual and spare parts and let you know.

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    TSC, PM sent.

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    Any response from R53?

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    I get the impression that BOS are not keen on promoting DIY servicing at this time. R53 can supply seal kits but you do need some special tools I'm told.

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    R53 are doing a guide to serviceing,but it isnt finished yet.

    I am slowly loseing faith in Bos,Excellent product,but Bos seem to be unhelpful and slow

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    Quote Originally Posted by loamranger View Post
    TSC, tomorrow I will ring R53 Sport (the UK distributor) and find out for sure about the manual and spare parts and let you know.
    any response from R53 Sport????

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    Hello

    Since the winter is slowly coming ... I would like to know if there is anything new with service guide for BOS Deville fork?

    I'm not happy with sending Fork over Europe for basic service and oil change.
    Do you maybe have any information about "BOS AMX 3" oil mentioned in Users Manual. What is i'ts viscosity?

    Best regard and thanks for all the help

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    Lukaz
    ive serviced a few now. its really pretty straight forward.if youve ever serviced any other fork you'll find it no problem. when i get a chance ill post some instructions
    www.gravity-sports.co.uk

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    dipper:

    I've serviced some before, so it should not be a problem. Please let me know about instruction when you will get a change
    Can you just let me know about type of oil and seals you are using?

    Best regards and thanks
    Luka

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    Quote Originally Posted by dipper View Post
    Lukaz
    ive serviced a few now. its really pretty straight forward.if youve ever serviced any other fork you'll find it no problem. when i get a chance ill post some instructions
    that would be great

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    im using Bos oil and fox 34 seals. i believe TFtuned have used normal fork oil with no problems
    www.gravity-sports.co.uk

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    This is unofficial as in not instructions from Bos directly although i have had some pointers from R53

    140mm oil volume 207ml, measurement 60mm
    160mm oil volume 212ml, measurement 50mm
    170mm oil volume 211ml, measurement 58mm
    Air side 5ml all models.

    Stripping down is easy enough so i wont go into that. you'll probably find no free oil in the air side as it mixes with the grease.

    When you are in a position to refit the Allen bolt on the air side, with the fork at full extension, pour in the 5ml of lubrication oil, (make sure this goes into the leg and not the air piston rod. i tilt the fork to make sure it doesnt drop straight in) when you fit the bolt make sure the fork is fully compressed. This is to minimise the air in the lower leg.

    Another pointer for you is make sure you fit the stanchion seals into the lowers dry, once fitted then lubricate the sealing lips with grease and oil. I know R53 use Silkolene Pro RG2 grease(and therefore so do i as they know more than me) for the bushings on the air side leg.

    hope that helps
    Last edited by dipper; 09-29-2012 at 11:59 AM.
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    Also, you'll probably find a circular sliver of metal in the air side. it's from where the air piston rod connects to the lowers. this is normal at the first service

    if using non bos oil id start with 7.5wt and see how it feels
    www.gravity-sports.co.uk

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  15. #15
    steep fast and loose :)
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    Dipper, you are something else... A super star really......

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    Just had confirmation that R53 are no longer the UK importer. Pretty gutted, as Roger is a nice guy. Not sure the reason why they've stopped. Other than send my Deville to France if it needs a service (has worked brilliantly for the last 2 years), is TFTuned now servicing Bos products?

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    oops wrong thread!
    Last edited by dipper; 10-02-2012 at 10:07 AM.
    www.gravity-sports.co.uk

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    Quote Originally Posted by fatwheeled View Post
    Just had confirmation that R53 are no longer the UK importer. Pretty gutted, as Roger is a nice guy. Not sure the reason why they've stopped. Other than send my Deville to France if it needs a service (has worked brilliantly for the last 2 years), is TFTuned now servicing Bos products?
    DIY, France or J-Tech are your options at the moment.

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    hard to believe after reading this article that bos would 5h!t the bed on servicing their forks

    Bos Suspension: A History of Victory - Pinkbike

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    bos just replied to my e-mail and said they are still trying to find a service/distributor for the uk. they asked me to send my devilles to them directly. i have gone back to them about costs and turnround. i will post reply when i get one.

  21. #21
    "El Whatever"
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    The only thing that bothers me from BOS is that they only make their dang forks in white...

    WHY????????

    My bike is dark olive green and would look like total shait with a white fork and going to white rims, saddle, etc would make me look like a 13yo FR wannabe with an identity crisis.

    Come on.... suspension makers, please stop making white forks. It's stupid. What was so wrong with black?

    That and a few reports here and there about breakages and such, but what manufacturer doesn't have them? OTOH, Fortunately there's a dealer for BOS in Mexico!
    Check my Site

  22. #22
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    Quote Originally Posted by qbert2000 View Post
    hard to believe after reading this article that bos would 5h!t the bed on servicing their forks

    Bos Suspension: A History of Victory - Pinkbike
    good article that. shame it seems to be going down the pan as they have some great products. R53 had a nightmare with them. Bos have since sent out pricelists to UK dealers so we can buy direct but i cant get them to answer an email! id love to keep supplying them but if there's no back up i wont touch them

    R53 could easily have done for Bos what Mojo have done for Fox. Mojo are possibly the best supplier in the UK to deal with(along with Hope) and while the damping IMO is not quite as good as Bos the service makes up for it
    www.gravity-sports.co.uk

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  23. #23
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    It's got me puzzled why BOS would even bother (other than to pat their own backs) spending the time doing the PB interview, it seams they have no interest in the NA market.

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    Hiya folks, just a quick question here - how long does it take for the BOS devilles to break in before becoming supple? I had put in about 3 hours of trail time (not including normal cycling on the public roads) on mine (just got it installed last Friday), and it is still stiff feeling. It definitely moves for sure, and the low speed comp adjusters seem to be doing their job. Secondly, I just could not get 50mm of sag on mine, and I'm already at the lowest air pressure (3.5bar). Any lower and the fork lowers would just not extend to 160mm. At the moment, I only get 25mm of sag. And I weigh 62 kilogrammes. Kitted out, I would probably weigh 65 kilogrammes. Cheers

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    Hi Zachrharon, have you equalised the air chambers?

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    Quote Originally Posted by loamranger View Post
    Hi Zachrharon, have you equalised the air chambers?
    Loamranger - Yes, I did do that. Perhaps I didn't do it slooooowwwwlyyyy. . as what BOS wants. Also, BOS says you gotta do it in the first 10mm of travel or 1/3 of an inch?? I'll give it another go later and hopefully it works this time. cheers Loamranger.

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    make sure you follow ths:

    originally from dipper

    Edited to say TRC in the OFF position during these steps. Cheers loamranger for the reminder

    1- connect your shock pump and leave connected for entire procedure
    2- drop all the air out. not entirely neccessary but at least you'll know where you are. you'll notice as you dump the air out the top chamber it will then start rising again as the pressure bleeds through from the bottom chamber. keep dumping the air till flat
    3- pump up to 2 or 3 bar
    4- slowly compress the fork 10-15mm a few times. this allows air to move between the chambers. monitor the pump pressure. you should see it drop a bit as the chambers equalise
    5- repeat above 3 or 4 times till you get up to @ 9bar. equalizing every time you put in more air.
    6- finally, set the pressure for your weight and equalize again

    that should be you sorted
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    If you still have problems try taking air out step by step and cycling each time until no air is left and then follow above.

    Let us know how things work out

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