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Sapim Laser Spoke Kit


Get the best spokes to make the strongest, lightest wheels! Sapim Laser spokes are double-butted, 2.0-1.5-2.0 mm, not just to save weight and improve aerodynamics, but also because the thinner mid-section stretches more, so it won’t detension when going over bumps. That means your wheels will remain true longer.

With their ultra-thin mid-section, Sapim Laser spokes are intended for experienced wheelbuilders: Make sure that you correct for spoke windup when building your wheel.

Finding the correct spoke length is easy: Select your hub, rim, and drilling – and we will provide you with the correct length and number of spokes for your new front wheel. The price is per set of spokes, and alloy or brass nipples are included. We also offer the spokes individually.

The spoke length for each wheel is selected for optimum spoke angle:

  • 28-spoke wheels: 2-cross
  • 32- and 36-spoke wheels: 3-cross


Made in Belgium.

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Spokes don’t break from overloading, but from fatigue as the spoke is loaded and unloaded as the wheel rotates. The wheel flattens at the bottom, which unloads the spoke. With each wheel revolution, every spoke is slightly detensioned, and then tensioned again. Over time, that causes the spoke to fatigue.

To get the maximum life out of your spokes, you want the detensioning to be as small as possible. That is what double-butted spokes are for: They are thinner in the middle, so they can stretch more, which means that they don’t detension as much as a thicker spoke would. Yet the ends, where spokes break, are thick and thus will last a long time. It may seem counterintuitive at first, but the thinner mid-sections make double-butted spokes more durable than thicker straight-gauge spokes.

Wheels tend to go out of true when you hit a bump and a spoke detensions so much that it goes slack. Now the spoke nipple unwinds as the spoke is tensioned again… and the spoke now has less tension, so it will go slack more often, allowing the nipple to unwind more and more.

For more information about wheel science and wheel building, we recommend the late Jobst Brandt’s excellent book The Bicycle Wheel.

  • Spoke lengths (Hub - Rim):
    • 28 Hole (2 cross)
      • SON Delux Wide Body - HED Belgium+: 262 mm
      • SON Delux Wide Body - Pacenti Brevet: 270 mm
      • SON Delux Disc - HED Belgium+: 262 mm
    • 32 Hole (3 cross)
      • SON Delux Wide Body - HED Belgium+: 268 mm
      • SON Delux Wide Body - Pacenti Brevet: 278 mm
      • SON Delux Disc - HED Belgium+: 268 mm
    • 36 Hole (3 cross)
      • SON Delux Wide Body - Pacenti Brevet: 272 mm
  • Double-butted: 2.0 - 1.5 - 2.0 mm
  • Weight including Aluminum nipple: 140 g (28 pcs), 160 g (32 pcs)
  • Weight including Brass nipple: 158 g (28 pcs), 181 g (32 pcs)
  • Stainless steel spoke
  • Aluminum or brass nipples included.
  • SON hubs with the connector-less SL system have the same measurements as standard hubs with connectors