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I probably should rephrase the title, not weight weenie but lightweight racing bike. For the cockpit, I avoid to use carbon parts, or like the crankset I rather stay with track one with 1/8 chain than a carbon road crankset with 3/32 chain.
Most of the parts are like new second handed, it may not be that expensive as people think. So far I spent about 1600 on the race bike.
5.5kg is achievable when this bike in "climbing mode".

Steel is real, and I become a carbon slave.

Bought the first on from here half a year ago, and got the second one from ebay few days before.
I have decided to build them up, one will be a lightweight crit/hill racing bike, another one will be a daily commuter bike.
Just make a part list and weight for both bike.
Updated:
New weight for both bike

Headset added.

No, you don't need a specialised tool to install it, pin spanner/ park tool hcw-4 and lockring tool will do the work, just like fitting the njs bb.

Both BB are still available, will accept sensible offer.

Need 31.8mm flat brake lever, lighter is better.My headtube is about 16cm long.

Both of them are 36x24F 70 Italian thread.

Dura ace 7610 now £60 posted

dibs Easton Monkey Lite carbon bars

As the title said. Cheers

Frameset + BB + seatpost for sale
Here is the Details of frameset:
Original paintjob, paint chips here and there but no dent or ding.
Toptube ctc 53.5
Seattube ctt 54
seatpost size 27.2mm
Italian thread bottom bracket
No brake hole
BB : Dura ace 7610 sealed bearing italian thread iso 109mm (silky smooth and very rare item)


Looking for £480+P&P
Need fund for next project so let this lovely frameset go.
Pm for more detail, Based in Colchester,UK.
HOLD

Spinergy pending payment. Welcome any sensible offer.

Zipp 303 firecrest tubular wheelset : 700GBP + postage

Front 18H: Zipp 303 firecrest tubular rim + zipp 88 QR hub + Sapim cx-ray spokes + continental competition 25mm
Rear 24H : Zipp 303 firecrest tubular rim + American Classic Track hub + Sapim cx-ray spokes + continental competition 25mm
Superlight wheelset, fast acceleration, aerodynamic, used in crit race only

A new grade of stainless steel enables Sapim to reduce the diameter of the spoke, whilst increasing its strength and fatigue resistance. Effectively, the CX-Super is 17% lighter than the CX-Ray and its strength is increased by 120N in the middle section versus that of the CX-Ray.

Despite the spoke hole problem, I guess the super cx ray is better and stiffer in description?

Need advise on parts choice, now have:
Zipp 303 firecrest tubular rim (285V4) 24h
American Classic Rear Track hub 24h 2.5mm spoke hole
Planning to order:
Sapim Super CX ray spoke
Sapim alu nipple 15G 12mm
and my questions are,

1. What is the real ERD of Zipp 303 firecrest tubular (285V4)? Zipp website said 555mm but wheelbuilder.com said 549mm, the 6mm off make 3mm spoke length difference in calculation.
   
2. The Sapim Super CX ray say in the description they should be used on hub hole size 2.3mm or less, will this cause a problem using them with 2.5mm hub holes?
   Thanks
   

Looking for 1 1/8'one with about 25cm steering.

quote from enve website
The disc specific rims are nearly 50 grams lighter per rim than the rim brake version. This weight savings comes from designing the rim specifically for disc brake use.
Im looking for clincher version.

Looking forward to build a very lightweight carbon clincher track wheelset.
I know Enve have SES 3.4 disc specific clincher rim which weight only front 400g/rear 415g, but they are way too expensive.
And kappius as well. 35mm 410g
http://www.starbike.com/en/kappius-kr-rc-road-clincher-carbon-rim/
Do anyone have a suggestion?

Very good quality and light use.
http://www.lfgss.com/conversations/258983/#comment12008079

Zipp 303+tune
http://www.lfgss.com/conversations/258983/#comment12008079

Looking for a complete bike carbox asap
Need to send by post, willing to pay for it.
Cheers

knogs sold

Christmas sale! tune+zipp now 215, not based in London but Can meet in liverpool street station.