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K-Force SB25

K-Force SB25

SP-RK-162-MTC SP-RK-162-MTC/D12

The K-Force post’s one-piece carbon fiber shaft and head are topped off with a forged alloy Minimal Top Clamp, giving a full range of adjustment and secure saddle mounting at a very low weight. There’s also the option of mounting a Shimano Di2 battery in the bottom of the post.

  • Minimal top clamp
    Minimal Top Clamp seatpost head system


  • Forged alloy Minimal Top Clamp (MTC)
  • One piece continuous carbon fiber construction
  • Finish: UD carbon finish


  • Sizes: Fits 7mm standard rails
  • L350mm x Ø 27.2, Ø31.6mm
  • L400mm x Ø27.2, Ø31.6mm
  • 25mm Setback
  • Weight: 210g (Ø27.2 x 350mm not Di2 compatible)