11 speed wide ratio. Function: Fluid Drive Plus. Gear Combination:11-13-15-17-19- -21-24-28-32-36-42. Spider material: alloy. Sprocket material: hi-tensile steel (1st-9th) and A7075 (10th-11th). Alloy spiders, lockring & spacers. Fits standard Shimano HG spline. Weight - 404g.
Best Price: £39.99 from Merlin Cycles