SID World Cup 2005 1095,26g

Discuss light weight issues concerning mountain bikes & parts.

Moderator: Moderator Team

doktoree
Posts: 88
Joined: Wed Jul 28, 2004 1:04 pm

by doktoree

Some time ago I posted "How to tune SID World Cup" on WW. I recieved some replies amog which Nino's seemed to be the most interesting. He scored 1068g :shock: using some parts from SID Race 2001. I had such SID and decided to tune my new World Cup in similar way in the future. I purchased SID WC 2005 last month and tuned it to 1098,54g. This is how I done it:
My new SID WC 2005
Image
Image
On the scale w/out poploc lever. NOTE claimed (RockShox) 1299g
Image
and w/poploc :cry: That's surely NOT light weight fork.
Image

I tuned original WC's legs because those of SID Race 2001 had bushings worn out
Image

First I file the disc brake holder off
Image
it saved 10,53g
Image

Next step was removing stock painting and stickers and sanding the legs. weight saving: 7,27g
Image

New painting and custom made :D stckers +3,48g
Image

From 2002 RockShox does not use cartridges as damping system any more. The 2005 PureDelite system is really heavy :cry:
Image

PureDelite works more effective than cartridge. However you don't need it when you use your fork mainly to race. The cartridge from SID Race 2001 works great. It's also THE LIGHTEST damping system used by RockShox. Replacing PureDelite by cartridge saves 160,25g :!: :!: :shock:
Image

NOTE: it's non-servicable and non-adjustable cartridge. You don't need rebound adjuster any more :D . Weight saving: 3,5569g :!:
Image

Replacing new alu air cap by the old one saves 3,9253g :!:
Image
Image

Final effect: tuned SID WC 2005 UL project. Real weight: 1098,54g :D
Image

And some pics of my fork:
ImageImage

The lightest option is to use 2001 Race lower legs:
Image

Blue painting has thick layer; removing and sanding it saves 20,86g :!:
Image

With this legs (add 3g for new painting and stickers) SID WC will weigh superb 1081,72g

thanx to Marek Tyniec :D and Wojciech 'Woytex' Frackowiak for help :!:
Last edited by doktoree on Wed Dec 22, 2004 3:07 pm, edited 1 time in total.

by Weenie


User avatar
scapin
Posts: 891
Joined: Mon Nov 15, 2004 3:27 pm
Location: Lecce - Italy
Contact:

by scapin

WOW! :shock: Compliments!

carlos
Posts: 596
Joined: Wed Feb 25, 2004 4:04 pm

by carlos

pretty good results. congratulations. :thumbup:

but for me a fork without lockout dont work... :(
hey
ho
lets go!

User avatar
doccoraje
Posts: 260
Joined: Tue Nov 04, 2003 5:44 pm
Location: Guadalajara, México

by doccoraje

It is one the best postings I've seen. Pretty informative and well documented with photos and a real nice scale.
Cheers on you for this one. 8)

User avatar
MaLóL
Posts: 596
Joined: Thu Mar 25, 2004 4:17 am

by MaLóL

superb post.

i specially liked the custom stickers and the stronger lowers.

is nino sid lockable? why did you removed the regulators for only 4grs?

thanks
Happy trails !!!!!

doktoree
Posts: 88
Joined: Wed Jul 28, 2004 1:04 pm

by doktoree

MaLóL wrote:is nino sid lockable?

No, it's not. In my opinion it's impossible to get under 1100g without removing lockout. First I tried not to remove lockout replacing only pop loc by the plastic climb-it control adjuster (from SID Race). Tuned SID WC 2005 in such way comes with 1289,68g. :? See pics below. It was too much so I decided not to use lockout any more. You don't need to use lockout when you weigh not too much. My old SID Race 2001 worked great. I'm sure my new WC 2005 will also.

why did you removed the regulators for only 4grs?

which regulators are you talikng about?
Attachments
Image06.jpg
xtuning_sid_7.jpg

felixthewolf
Posts: 40
Joined: Wed Dec 18, 2002 3:36 pm
Location: Leipzig/germany
Contact:

by felixthewolf

hi

can u post a picture of the screw fixing the low damper rod on the lower legs?
i think this huge screw is made of steel...

felix

doktoree
Posts: 88
Joined: Wed Jul 28, 2004 1:04 pm

by doktoree

felixthewolf wrote:hi

can u post a picture of the screw fixing the low damper rod on the lower legs?
i think this huge screw is made of steel...

felix


you're right. this bolt is made of steel. it's standard M6x15mm so it colud be replaced by Ti one. thanx for good idea :wink:

felixthewolf
Posts: 40
Joined: Wed Dec 18, 2002 3:36 pm
Location: Leipzig/germany
Contact:

by felixthewolf

on my SID SL 02 (one of the heavy ones) this bold was replaced by an AL-bold normaly used to close the hole if u removed the brakestud.
i think, this screw can be replaced by an Al-bolt, there were no heavy loads on.

felix

P.S. this could be usefull for all SID SL 02 user they dont need to twist on their rebound all the time, it will save 11gr. ;)

User avatar
Pedä
Posts: 453
Joined: Wed Sep 29, 2004 1:18 pm
Location: Germany

by Pedä

what painting weight only 3 gramms?

is there a damping system in the rigt side of the fork? at the left are the positiv and negativ air?

-> i have a sid sl `99 and a sid sl `03 the lightest cobination is 1170g (with: ti canti studs/ stock paint, without: lock out/ disk brake stud)
Pedä

doktoree
Posts: 88
Joined: Wed Jul 28, 2004 1:04 pm

by doktoree

Pedä wrote:what painting weight only 3 gramms?

It's acryl spray which gives very thin layer which is rather short lasting :(

s there a damping system in the rigt side of the fork? at the left are the positiv and negativ air?


The damping system is in THE LEFT (having the fork face to face) side of the fork, and at THE RIGHT are positiv and negativ air.

User avatar
Pedä
Posts: 453
Joined: Wed Sep 29, 2004 1:18 pm
Location: Germany

by Pedä

thanks :D

what is the weight of the carbon part with the upper tubes?

what is the weight of the cap, without the `ventil`(i mean the hole for filling with air) nad wher can i get such a cap?
Pedä

doktoree
Posts: 88
Joined: Wed Jul 28, 2004 1:04 pm

by doktoree

Pedä wrote:what is the weight of the carbon part with the upper tubes?


It's ca. 736g. I mean carbon steerer integrated w/upper tubes and with internals (left: non-adjustable cartridge; right: positive and negative air). I do not know the weigh of the separated carbon steerer w/upper tubes because I removed internals only from left upper tube. Comparing to Nino's post on http://forums.mtbr.com/showthread.php?t ... id+project it should be around 483g

what is the weight of the cap, without the `ventil`(i mean the hole for filling with air) nad wher can i get such a cap?


Do you mean THIS top cap showed on the pic?
Unfortunately I did not weigh it :(
Attachments
top_cap.jpg

User avatar
Pedä
Posts: 453
Joined: Wed Sep 29, 2004 1:18 pm
Location: Germany

by Pedä

i have seen the weight in ninos post... thanks!

yes i mean this cap, but it is not so important... i have to save weight with carbon first... than my sid should weight about 1120g
Pedä

by Weenie


User avatar
MaLóL
Posts: 596
Joined: Thu Mar 25, 2004 4:17 am

by MaLóL

doctoree how did you made those custom stickers?

can you send a pic of your bike with the new fork? it must look good.

what´s the new total weight?

thanks
Happy trails !!!!!

Post Reply
  • Similar Topics
    Replies
    Views
    Last post