Cervelo R5

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Moderator: robbosmans

Rone69
Posts: 119
Joined: Sun May 08, 2016 11:28 am

by Rone69

mrlobber wrote:
Rone69 wrote:
Tue Aug 14, 2018 7:11 am
Just another thing about the R5, rim vs disc, what about the ride quality?
There is difference in the efficiency between the two frames?
I'm talkin about stiffness, descending precision, harshness......
I'd suggest that due to the lack of brake bridge, the R5 Disc might be microscopically more comfortable.
However, that's definitely nothing you would personally able to distinguish between two similarly equipped R5's with similar wheels (rim vs disc, of course) and tyres.
Thank you very much.

by Weenie


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Rone69
Posts: 119
Joined: Sun May 08, 2016 11:28 am

by Rone69

mrlobber wrote:
Tue Aug 14, 2018 9:52 am
Rone69 wrote:
Tue Aug 14, 2018 7:11 am
Just another thing about the R5, rim vs disc, what about the ride quality?
There is difference in the efficiency between the two frames?
I'm talkin about stiffness, descending precision, harshness......
I'd suggest that due to the lack of brake bridge, the R5 Disc might be microscopically more comfortable.
However, that's definitely nothing you would personally able to distinguish between two similarly equipped R5's with similar wheels (rim vs disc, of course) and tyres.
Thank you very much!

MrRobot
Posts: 15
Joined: Wed Aug 17, 2016 2:54 am

by MrRobot

Cervelo Stem (carbon and alloy) is -8

Stock Seatpost set-back is 0mm for frame size 48-51cm and 25mm for all other sizes.

Both 0mm and 25mm seatposts are available to purchase seperately from cervelo.

Rone69
Posts: 119
Joined: Sun May 08, 2016 11:28 am

by Rone69

MrRobot wrote:
Tue Aug 14, 2018 4:09 pm
Cervelo Stem (carbon and alloy) is -8

Stock Seatpost set-back is 0mm for frame size 48-51cm and 25mm for all other sizes.

Both 0mm and 25mm seatposts are available to purchase seperately from cervelo.
Thank you very much!
I need a 54, but the stem it's too short, I need a 120mm, also the stems are available separately?

MrRobot
Posts: 15
Joined: Wed Aug 17, 2016 2:54 am

by MrRobot

Carbon stem is a listed part on cervelo website, my local dealer said they could get me an alloy one from Distributer.

Rone69
Posts: 119
Joined: Sun May 08, 2016 11:28 am

by Rone69

Does anybody know the size of the R5 disc (2018) thru axle (front & rear) ?
Maybe 12x100mm and 12x135???

mrlobber
Posts: 1928
Joined: Sat Oct 23, 2010 9:36 am
Location: Where the permanent autumn is

by mrlobber

Unfortunately, Cervelo uses the R.A.T. axle system, therefore, you do not have any aftermarket (lighter) option, definitely not for the front axle.
For the rear, you can get hold of a different RD hanger, and that way, convert to a threaded thru axle, which opens options such as this one:
https://robertaxleproject.com/shop/ligh ... 75-thread/
Minimum bike categories required in the stable:
Aero bike | GC bike | GC rim bike | Climbing bike | Climbing rim bike | Classics bike | Gravel bike | TT bike | Indoors bike

Rone69
Posts: 119
Joined: Sun May 08, 2016 11:28 am

by Rone69

mrlobber wrote:Unfortunately, Cervelo uses the R.A.T. axle system, therefore, you do not have any aftermarket (lighter) option, definitely not for the front axle.
For the rear, you can get hold of a different RD hanger, and that way, convert to a threaded thru axle, which opens options such as this one:
https://robertaxleproject.com/shop/ligh ... 75-thread/
I need to know the axle dimensions, because I'm planning to build a wheelset for my new bike and need this information for choose the best hubs.

siim
Posts: 107
Joined: Sun Nov 26, 2017 9:37 pm
Location: Estonia

by siim

For the wheels you need "standard" road disc hubs 12x100 front and 12x142 rear.

Rone69
Posts: 119
Joined: Sun May 08, 2016 11:28 am

by Rone69

siim wrote:For the wheels you need "standard" road disc hubs 12x100 front and 12x142 rear.
Thank you very much.

Rone69
Posts: 119
Joined: Sun May 08, 2016 11:28 am

by Rone69

Just another question:
how long is the seat tube of the R5 54 frame?
Image

Thank you

moldman
Posts: 5
Joined: Thu Aug 23, 2018 2:19 pm

by moldman

Frame fit is determined by the Stack and Reach these days.
Brands don't post the Top tube and Seat tube lengths anymore...

https://www.cervelo.com/en/road/r-serie ... 20geometry

Nefarious86
Moderator
Posts: 3669
Joined: Sun May 25, 2014 4:57 am

by Nefarious86

moldman wrote:Frame fit is determined by the Stack and Reach these days.
Brands don't post the Top tube and Seat tube lengths anymore...

https://www.cervelo.com/en/road/r-serie ... 20geometry
Actually many brands do. Thanks for your random postings trying to get a Starbike discount, see you in 2 weeks if you actually want to contribute to the forum.

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Rone69
Posts: 119
Joined: Sun May 08, 2016 11:28 am

by Rone69

moldman wrote:Frame fit is determined by the Stack and Reach these days.
Brands don't post the Top tube and Seat tube lengths anymore...

https://www.cervelo.com/en/road/r-serie ... 20geometry
The 54 is the perfect size for me.
There isn't any Cervelo local dealer near my city, so I want to compare the R5 frame with the frame of my bike.
I don't like the short seat post like Giant TCR or Rose X-Lite.

by Weenie


Visit starbike.com Online Retailer for HighEnd cycling components
Great Prices ✓    Broad Selection ✓    Worldwide Delivery ✓

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RMcC
Posts: 78
Joined: Wed Mar 21, 2012 10:25 am
Location: Scotland

by RMcC

Has anyone managed to use RAT axles to mount their bike to a worstand where you use the axle to mount it. I have the Tacx spider workstand and the RAT axle doesn't seem long enough to secure the bike properly, I think it's more to do with the workstand adapters rather than the axle. I actually like the convenience of the RAT system but if I can't mount my bike to get it cleaned properly then I'll have to swap to Robert Axle project axles

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