RK 520 Quick Acceleration Chain and Sprocket Kit Natural BMW S1000RR 2012-2018 - Part #9101-129PX GSXR 1000 2017+ Plex Jacket - Black/Silver -

Plex Jacket - Black/Silver - 2XL

design with no gaps on inner surface

7 mm Housing

Crosshill WP Air Jacket - Black - 2XL

Battery - BT4B-5 (YT)

RK 520 Quick Acceleration Chain and Sprocket Kit Natural BMW S1000RR 2012-2018 - Part #9101-129PX GSXR 1000 2017+ Plex Jacket - Black/Silver -Boost your BMW S1000RR's acceleration with the RK 520 Quick Acceleration Chain and Sprocket Kit Natural (Part #9101 129PX), from Factory SuperBike. Designed for 2012 2018 BMW S1000RR models, this kit features RK's premium XW ring sealed 520 racing chain, a premium Driven steel alloy black case hardened front sprocket, and a natural Driven steel alloy rear sprocket with quick acceleration gearing for enhanced performance and durability. Key Features: