Sram / Shimano Cassette. 10 speed wide ratio. Function: Fluid Drive Plus. Gear Combination: 11-13-15-18-21-24-28-32-36-42. Spider material: alloy. Sprockets on spider: 6 sprockets on 2 spider carriers. Sprocket material: hi-tensile steel (1st-9th) and A7075 (10th). Alloy spiders, lockring & spacers. Weight - 387g.
Best Price: £69.98 from Merlin Cycles