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 Post subject: Cervelo S5 build
PostPosted: Fri Jun 24, 2016 3:22 am 
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Joined: Mon Apr 27, 2015 4:36 am
Posts: 567
Time to upgrade from my well abused S3. Decided to stay Aero, and stick with Cervelo. Size 58 after my previous 56 S3.

To start with the frame:
Image
1160 grams with bottom bracket, hanger, and bottle cage bolts

Fork:
Image
350 grams

And seatpost:

Image
204 grams

Trimmed a bit off (19 grams)
Image

Brings it down to 185 grams.

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Last edited by glam2deaf on Tue Jun 28, 2016 11:20 am, edited 1 time in total.

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 Post subject: Re: Cervelo S5 build
PostPosted: Fri Jun 24, 2016 5:46 am 
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Joined: Mon Apr 27, 2015 4:36 am
Posts: 567
Brakes:

Front
Image

Rear:
Image

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 Post subject: Re: Cervelo S5 build
Posted: Fri Jun 24, 2016 5:46 am 


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 Post subject: Re: Cervelo S5 build
PostPosted: Fri Jun 24, 2016 7:20 am 
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Joined: Thu Jan 22, 2015 6:58 pm
Posts: 810
Location: Northamptonshire UK
The frame is lighter than I expected for a 58, and the fork weight is pretty damn good too. Looking forward to seeing this come together.


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 Post subject: Re: Cervelo S5 build
PostPosted: Fri Jun 24, 2016 9:50 am 
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Joined: Sat Apr 18, 2009 8:59 am
Posts: 1004
Location: Surrey UK
BB 80g, hanger 8g, few bolts and bb cover all come to about 100g.
So 1060g for this kind of frame in this size, pretty damn good.
I got myself the same one in the same size, weights are almost identical.
I don't know where they assemble these bikes, definitely not in UK, as they come almost fully assembled from Germany (bought it as complete bike for total stripping) but somebody messed the hanger bolts up to the point I will have to drill them to take the hanger off.
Be careful with the seatpost cradle, especially for the carbon rails one.
The mounting bolts' faces may touch each other resulting not enough clamping force.
Even the seat may seem to be clamped properly, during the ride it will start moving. That happened to me. The grooves on the post's metal part have almost gone. I added extra thick spacer which allowed me to tighten the bolts a bit more, tad above the recommended 12Nm.
Will see if it holds.

What are you going to put on it, apart the Red brakes?

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Cervelo S5
Cervelo R5 VWD 5637g/12.43lb
Pronghorn XC SW Race 8284g/18.26lb


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 Post subject: Re: Cervelo S5 build
PostPosted: Fri Jun 24, 2016 10:46 pm 
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Joined: Mon Apr 27, 2015 4:36 am
Posts: 567
Thanks for those extra weights. The seatpost is the same as I had to deal with on the s3, it's not the best system, found the seat slipping while racing quite a few times. Having to try level a saddle again on the fly was never fun. Found jacking it up to 14Nm did the trick in the end.

As for the rest of the build, going etap for the shifting.

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 Post subject: Re: Cervelo S5 build
PostPosted: Sat Jun 25, 2016 4:00 am 
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Joined: Mon Apr 27, 2015 4:36 am
Posts: 567
Few more parts:

Front derailleur:
Image
136 grams

Rear derailleur:
Image
216 grams

Left shifter:
Image
132 grams

Rear shifter (1 gram heavier for some reason?):
Image
133 grams

Battery x2:
Image
24 grams x2 = 48 grams

So far up to 2640 grams, with a lot more to add.

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 Post subject: Re: Cervelo S5 build
PostPosted: Mon Jun 27, 2016 12:52 am 
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Joined: Mon Apr 27, 2015 4:36 am
Posts: 567
Training tyres + tubes

Image

Vittoria Rubino Pro G+ 700x23c 236 grams x2 = 472 grams

Image

Schwalbe 700 tubes 108 grams x2 = 216 grams

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 Post subject: Re: Cervelo S5 build
PostPosted: Mon Jun 27, 2016 1:05 am 
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Joined: Tue Jan 17, 2012 4:01 pm
Posts: 1575
Location: Downtown Los Angeles, CA
Those tubes are a sin. If you prefer Butyl, Specialized has pre-Talc'd tubes that I think are around 70g or so each.

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Current Stable. The Snob Machine | The Crumpton
The Ex's. LS Siena: 6.21kg | Parlee Z5 SLi: 5.9kg | LS Xicon: 5.76kg | C59: 5.7kg | Cervelo R5ca: 5.09kg | Fuji Altamira SE - 6.2kg | Scott Foil - 6.2kg | Evo - 5.18kg | LS Classic - 6.7kg


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 Post subject: Re: Cervelo S5 build
PostPosted: Mon Jun 27, 2016 1:23 am 
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Joined: Mon Apr 27, 2015 4:36 am
Posts: 567
That weight is pretty rude. I'm a big fan of cheap tubes, the roads around here are awful.

Schwalbe Extra light saves the day.
Image
78 grams x2 = 156 grams

another offender...

Image

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 Post subject: Re: Cervelo S5 build
PostPosted: Mon Jun 27, 2016 2:39 am 
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Joined: Mon Apr 27, 2015 4:36 am
Posts: 567
Chainring time:

Praxis Works 53x39 130 bcd

Outer:
Image
124 grams

Inner:
Image
32 grams

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 Post subject: Re: Cervelo S5 build
PostPosted: Mon Jun 27, 2016 4:58 am 
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Joined: Mon Apr 27, 2015 4:36 am
Posts: 567
Waiting on parts to show up, so just weighing bits throughout the day.

Headset - standard FSA that came with the bike:
Image
54 Grams

Seatpost clamp/binder/bit:
Image
18 Grams

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 Post subject: Re: Cervelo S5 build
PostPosted: Mon Jun 27, 2016 5:21 am 
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Joined: Mon Apr 27, 2015 4:36 am
Posts: 567
Rubber stoppers:
Image

Side note, is there anything I should use to plug up the holes in these stoppers? Like a putty or similar.

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 Post subject: Re: Cervelo S5 build
PostPosted: Mon Jun 27, 2016 7:06 am 
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Joined: Sat Apr 18, 2009 8:59 am
Posts: 1004
Location: Surrey UK
I used Sugru for all unwanted wholes including di2 battery ones (removed bolts) and one of the three down tube bottle holders.

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Cervelo S5
Cervelo R5 VWD 5637g/12.43lb
Pronghorn XC SW Race 8284g/18.26lb


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 Post subject: Re: Cervelo S5 build
PostPosted: Mon Jun 27, 2016 9:46 pm 
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Joined: Mon Apr 27, 2015 4:36 am
Posts: 567
Time for the training wheels.

I'm using a set of Stans Alpha 400 rims 28/32 laced to Stans hubs. Super durable combo that is onto it's second winter with no problems at all.

Front:
Image
680 grams

Rear:
Image
910 grams

Front skewer
Image
51 grams

Rear skewer
Image
51 grams

I found a bag of Veloplugs and decided to give them a try

Before
Image

After
Image

Total 9 grams

Trusty Ultegra 6800 12-25 Cassette
Image
243 grams

So according to my weights I should have 2542 grams.

Image
Image

2556 grams.

Difference is 14 grams, which is from pinching a tube and having to use a heavier alternative.

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 Post subject: Re: Cervelo S5 build
Posted: Mon Jun 27, 2016 9:46 pm 


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 Post subject: Re: Cervelo S5 build
PostPosted: Mon Jun 27, 2016 10:02 pm 
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Joined: Mon Apr 27, 2015 4:36 am
Posts: 567
Saddle is a Specialized Power Expert, I'd like to swap this out for the SWorks version to shave some weight. Nicest saddle I've used.

Image
237 grams

Speedplay pedals - not sure on the exact model of these, they were included with my TT bike when I bought it.

Image
207 grams

Expander cap - Cervelo's standard alloy tube that you epoxy in is pretty heavy:

Image
37 grams

so saved a few grams using this FSA option.

Image
22 grams

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