FSA Gossamer Pro Modular AGX 2x Crankset 172.5mm 48/32TThe FSA Gossamer Pro Modular AGX 2x Crankset engineered to have the best balance of high strength to light weight ratio thanks to a scalloped crank arm design. The crank arms are made from cold forged alloy and the BB386Evo spindle from forged alloy. The chainring bolts are made from Chromoly the Q-Factor is 154mm. The chainline is 47mm and the BCD is 90mm. Compatible with Shimano 10/11 Speed, 10/11 Speed, FSA 11 Speed setups. Available in 48/32T and 46/30T. In the 48/32T crank arm lengths 165mm, 170mm, 172.5mm, and 175mm. The 46/30T has crank arm lengths 165mm and 175mm. Available in Black.840031077844