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The brand-new SL-K carbon crank offers an amazing blend of performance and value. The hollow arms are sculpted from unidirectional carbon fiber, and meld with a smoothly-integrated spider that features our innovative Asymmetric Bolt Spacing (ABS) system. ABS sees the chromoly chainring bolts enter from the rear, and includes a hidden fifth bolt behind the crank arm – it’s the secret to enormous strength that boosts both power transfer and gear shifting.

The 30mm-wide forged aluminum BB392 EVO spindle is plenty stiff enough to cope with the torque, and it can fit a massive amount of frames. It’s compatible with English Threaded, SMN Press Fit, BB30 and Press Fit 30 bottom brackets with just a few simple spacers. The SL-K is ideal for riders who like to take their upgrades with them to new frames.

The outer chainring is CNC machined from hardwearing 7075 aluminum, while the inner is stamped from the same lightweight material. They’re ramped and pinned for smooth and rapid shifting, with a choice of eight ratio combinations. The SL-K is compatible with 10-speed drivetrains, and available in either 170mm or 175mm lengths. Crank weight is just 495g.

  • ABS
    Asymmetric Bolt Spacing


  • Hollow carbon fiber arms
  • Aluminum chainrings and spindle for low weight
  • 10-speed compatible
  • Extremely light at 495g
  •  Versatile axle standard


  •  Weight: 495g
  •  42/27T, 39/27T, 40/28T, 42/28T, 38/28T, 38/24T, 36/24T or 36/22T options
  •  BCD 96/68mm ABS
  •  BB392 EVO spindle