The K-Force Light Compact 386 has a very high stiffness-to-weight ratio. The drive-side crank arm and spider are built as a single carbon fiber monococque, with a forged 7075 aluminium spindle that’s also very stiff for its weight. It’s available with either BB30 or MegaExo spindles to suit your frame. Four different chainring combination options cover all applications and wheel sizes. Shifting between the two CNC-machined 7075 aluminium chainrings is fast and smooth thanks to carefully engineered ramps and pins.