Shimano saint m825 mountain bike cranksetconstructed using shimanos cold forged duraluminium , the saint m825 crankset is lightweight so your downhill ride isnt weighed down but also has an axle thats 250% stronger than shimanos trail bike models'. '.strtoupper('t')he double strength crank arms are ready for all the abuse that the most demanding trails can through at you'. '.strtoupper('p')lus, the arms have advanced shaping to prevent rock strikes and to give you better ankle clearance'. '.strtoupper('d')esigned to combine with the saint downhill bottom bracket this mountain bike mtb crankset brings you the toughness and durability you need for riding the trails as hard as you dare.features material cold forged, hollow duraluminium aluminium suits bottom bracket widths 83mm downhill bikes chainrings included no chainline 57.9mm axle diameter 24mm 5 arm or 4 arm 4 arm bolt circle diameter bcd 4x104mm bottom bracket included no designed for use with shimano saint hollowtech ii bottom bracket a stiff, strong and durable hollowtech ii crankset, reinforced in all the ways that most extreme chainsets are not industry leading hollowtech ii cold forged hollow crank arms have increased rigidity, reduced weight, and improved strength reinforced pedal and crank arm interface with t nut style steel threaded bushing crank arm profile gives excellent ankle clearance and increased rock tree root clearance manufacturer's part number fc m825 weight 838g with 34t chainring, not includeda 2 year warranty is offered with all shimano products from chain reaction cycles 3 years on dura ace and xtr products.buy shimano components from chain reaction cycles, the world's largest online bike store.