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  • Re: Does C5 have a stiffer frame that a S3 Disc

    I will tell you the little I've been told, but Cervelo is the correct source to answer this. If you compare the S5 (gen 2) with the gen 2 S3 (not the 2019) the S3 had a thicker wall structure used to attain likely 95-98% of the strength of the S5 at its price point. I believe Cervelo considered the S3 a great crit bike, tough and robust. ...
    Posted to Forum (Forum) by rider2 on 01-18-2019
  • Re: Through Axle replacement Cervelo S5

    Agree that on flat's weight just not an issue. I've learned over time that if wheels are too light they just do not conserve momentum on the flat's. Prefer wheels around 1300 gram's with most of their weight in the rim as they hold speed on the flat's and still climb very well. Using the 44 front as is fairly aero but also ...
    Posted to Forum (Forum) by rider2 on 01-11-2019
  • Re: Through Axle replacement Cervelo S5

    Don, yes the RAT's are quite nice and functional. Just I'm building my S5 to 14.5 lbs which isn't difficult but the RAT's weight 61g F, 68g's R as compared to approximately 60g combined for F&R bolt on through axles. They are low hanging fruit! In Collingwood only have a flat once every two years but in Florida where ...
    Posted to Forum (Forum) by rider2 on 01-11-2019
  • Re: Through Axle replacement Cervelo S5

    I have bought a threaded axle from the Robert Axle Project for my S5 front RAT replacement. They have indicated they can supply a bolt for their front axle. Likely an additional charge above the axle but it looks like problem solved.
    Posted to Forum (Forum) by rider2 on 01-06-2019
  • Through Axle replacement Cervelo S5

    I'm building a new S5 disc and would like to replace the RAT through axles with threaded bolt through axles. My question is does Cervelo make an adapter to allow a threaded front through axle. Cervelo supplies a alternative rear derailleur hanger to allow non RAT's on the rear but I do not see a corresponding front part for the front ...
    Posted to Forum (Forum) by rider2 on 01-06-2019
  • Re: New Cervelo S5 Disc and S3

    While not fully knowledgeable about the 3T aero bars it would seem that any machine shop could engineer a adapter to use the stem/bar mount points as you've suggested. As you have mentioned two small removable plates on the top of the S5's bars recieve four pan head bolts threaded from below through the V stem thus securing the ...
    Posted to Forum (Forum) by rider2 on 12-06-2018
  • Re: New S5 stem length

    My understanding is there are many stem length's to select from although each built bike ship's with a specific stem length based on frame size. I've ordered a 54 frame which ship's with a 100mm stem. My existing S3 is a 110mm but will give it a go as reach is 6mm longer on the new S5 frame. Will try slamming it a little to make ...
    Posted to Forum (Forum) by rider2 on 11-18-2018
  • Re: Through axles for new bike build

    Thanks robg. Will investigate your link and appreciate the spec's. Had no idea I needed a different hanger so maybe move back and forth from the RAD to a typical threaded through axles is not as easy as I thought. You have nice taste in bikes! Cheers
    Posted to Forum (Forum) by rider2 on 11-11-2018
  • Through axles for new bike build

    I'm just building up a new S5 Disc in a 54 and looking at replacing the RAT through axles with something lighter. Likely Carbon TI's or equally lighter alternatives. Where I ride flats are extremely infrequent and can re install the RAT's when travelling to more troublesome locals. The quick question is do any of you have ...
    Posted to Forum (Forum) by rider2 on 11-10-2018
  • Re: Cervelo S5 Disc weight

    Appreciate the reply m66 good of you. Just in the process of purchasing a new S5 frame which I'm building out with Dura Ace mechanical in an attempt to build a light function ride for myself. Presently on a 2016 S3 that's fairly optimized both aero (3T aeronova Tri rig front brake) and weight wise running tubulars 44F/55R on a 14 lb bike ...
    Posted to Forum (Forum) by rider2 on 10-17-2018
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