Samox Silver DH-1 Crankset - 155mm 3-Bolt Direct Mount 34t Chainring 28.99mm Aluminum Spindle BLKSamox Silver DH 1 Crankset 155mm 3 Bolt Direct Mount 34t Chainring 28. 99mm Aluminum Spindle Black. The Samox Silver DH 1is built to handle one thing DH riding at its best.. The DH 1s 2 piece forged alloy design was developed to deliver standout durability and stiffness. That increased strength and stiffness is provided by the integrated cross channel structure on the inside of each crankarm. With chromoly pedal inserts and a 28. 99mm axle the DH 1