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DT Swiss 240s Straight Pull Rear Road Hub

Sale $332.99 $390.00 15% off

Item # DTS000I

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  • Black, 24 hole, Rear ($332.99)
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Item # DTS000I

A straight argument.

A staple among staples, the DT Swiss 240s Straight Pull Rear Hub represents the revered DT 240 hub family for those who want to lace up their set with straight-pull spokes.

The 240s rear hubs use a forged aluminum shell that houses stainless steel bearings (balls and races), which are known for their famous durability. And thanks to the DT Swiss labyrinth seal system — non-contacting seals that utilize an asymmetrical path to resist moisture, muck, and grit — your bearings will keep their magical smoothness over the long haul. In addition to the way it sings on fast descents, the 240s' Star Ratchet freehub system is legendary for its simplicity, durability, and instant power transfer. The ratcheting freehub offers tool-free access for routine cleaning and lubrication, and the freehub body is made of aluminum to maintain a lightweight package.

Thanks to the fact that we now live in a world of 10- and 11-speed drivetrains, many hub and wheelset configurations have asymmetrical, highly dished rear wheels. This asymmetry often doesn't allow adequate spoke tension on the non-drive side of the wheel, causing unequal loads and an inherently weak wheel. DT Swiss concentrated on this problem when it developed the 240s Rear Hub. Its optimized geometry improves the wheel's symmetry, giving you tons of reliability and resistance to detensioning. The configuration for straight-pull spokes saves further weight, too, as the flanges that normally would anchor J-bend spokes are eliminated.

Tech Specs

Material:
aluminum
Hub Type:
quick-release, Shimano or SRAM 11-Speed Compatible
Rotor Compatibility:
none
Spoke Count:
24
Claimed Weight:
212 g
Recommended Use:
road, cyclocross
Manufacturer Warranty:
2 years

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Very delicate to build with

  • Familiarity: I've put it through the wringer

It's nearly impossible to build a wheel from this hub with sufficient non-drive side spoke tension.

I built this hub with a Pacenti SL23 rim and DT Competition Race spokes. It was impossible to get enough tension on the non-drive side even after maxing out the spoke tension on the drive side and going off dish by 3mm. I then replaced the drive side spokes by thicker spokes. This helped a bit, but the non-drive side would still come loose. Finally, I built the wheel for a third time with a Stan's ZTR 400 rim and Sapim CX spokes. But the problem persisted. At this point I've given up on building with this hub.

To be fair, I'm not a professional wheel builder. Perhaps this is just my incompetence. But I have a reasonable amount of experience and I haven't had this problem before.