• I'm after some light, tubeless ready disc wheels with wider (25mm+) rims for use on a Croix de Fer which will be used for winter gears, light touring and the odd bit of light cross. I'll be taking advantage of the tyre clearances to run wider (30mm+) tyres.

    Because the frame is heavier than I'd really like and I'll be fitting Shimano full hydro brakes all being well I'm trying to shave off weight elsewhere, I've got a carbon fork and am trying to build it up as the faster end of the CdF spectrum.

    I'd prefer hand built and rim-wise have been looking at Pacenti SL25's (claimed 450g, £75), Stans Crest 29ers (claimed 380g, £49 in 28h), Ryde Pulse Sprint (claimed 395g, apparently actually 380g £70) and Ryde Pulse Comp (430g, £39 in 28h). I weigh just over 6okg so even with with touring kit I'd not be going north of 70kg all in. I'd prefer all black as silver braking surfaces seem a bit pointless for a disc rim, so that probably takes the Pulse Comps off the list.

    Stans Crests seem to win on weight v. budget and although I've read that they have a 60p.s.i. limit this seems to only be for tubeless. Don't know how the wheelbuilders rate them though?

    @amey mentioned an all black Ryde Pulse Sprint in this thread. I'm not sure if this is the Pulse Comp disc which Ryde reckon are 390g but are presumably lower, as I can't find all black Pulse Sprints?
    http://www.ryde.nl/pulse-comp-disc

    I don't know anything about spokes for disc wheels but Sapim D-Light seem popular so would be my default. I presume CX Rays would be too flexy for disc use?

    I've looked at Novatec D772SB / D771SB hubs which I'd like for weight/cost reasons but have heard bad things about ease of servicing and bearing quality which are putting me off them. Tempted to default to heavier Hope Pro 4's (Hope are my usual go to for geared hubs) but I'm very open to ideas...

  • I presume CX Rays would be too flexy for disc use?

    Arent they meant to be some of the stiffest spokes around? Its lasers that are very flexy

  • They are strong for sure but I don't know if they are stiff. If I recall correctly their strength actually lies in the fact they are inherently bendy but I'm sure Tester could answer that one...

  • CX-Rays are Lasers with the centre section stamped flat. The cross-sectional area of the spoke is therefore the same as a Laser. Since the stiffness of the spoke depends on the amount of material used, they're no more or less flexy than Lasers.

    I've used CX-Rays on disc wheel builds, including my 29er wheels. They've been fine.

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