RENTHAL BMW S1000RR/SPORT 2010> ONWARDS 525 CHAIN TITANIUM COLOURED HARD-ANODISED HIGH TENSILE ALUMINIUM ALLOY REAR SPROCKET (Reference #SIZ55909) Featuring all the benefits of Renthal's renowned off-road aluminium rear chainwheels - but with increased longevity gained from the hard anodising process - Renthal hard anodised sprockets are specifically designed for road and road racing applications. - Hard anodised integral surface coating which significantly increases the hardness and wear resistance of the chainwheel surface for increased longevity - Computer aided Ultralight design for greatest reduction of unsprung weight at the rear wheel, to give maximum power transfer - Precision CNC manufactured to extremely tight tolerances - High strength, specially enhanced 7075 T6 aluminium alloy - 66% lighter than steel HPS supplies for the stock 525 chain in the standard rear sprocket size or with more teeth - 520 racing fitments readily available too The ‘+1’ Tooth sized rear provides better acceleration in all gears on the road bike and reduces the "overgeared" effect of the standard final drive ratio in 5th and 6th gears, but without making the bike too "revvy" in top gear when cruising.   Click here for more information about Renthal Sprockets... Price:  £30.03 Including VAT at 17.5% Please select... 44 Tooth (Standard) 45 Tooth (+1) Chains & Sprockets:Sprockets:Renthal Sprockets