Evotech Spindle Bobbins Kit - Yamaha MT-09 (2013-2016) ALU_477 Evotech Performance mounting stems are

Evotech Performance mounting stems are CNC machined from aircraft quality aluminium and finished in a black powder coat

There are three iQSE model numbers that determine the bike compatibility:

Features of Evotech Rear Spindle Bobbins for BMW R 1250 GS Rallye

Optimised tread blocks that can more effectively penetrate and scoop sandy/muddy terrain thanks to the new Reinforced Scoop Technology (RST) and V-Block Technology Advanced (V-BT Advanced) designs

they replace the stock one

Evotech Spindle Bobbins Kit - Yamaha MT-09 (2013-2016) ALU_477 Evotech Performance mounting stems areFeatures of EP Spindle Bobbins Kit for the Yamaha MT 09 Offering protection for front and rear wheels of your Yamaha in one set Quick and easy to install Nylon bobbin outer with aluminium inner Held through the wheel spindle by stainless steel spindle rod Separate replacement bobbin heads are available to purchase Innovative design by Evotech Performance using the highest quality materials What is Spindle Bobbins Crash Protection? EP Spindle Bobbins