MOOSE RACING Dual Sprocket - Black - 48 Tooth 1210-808-48-10X Taillight Socket you need an ECU that

you need an ECU that is capable and a motor

Impact-resistant Scotchbrite conical AISI 304 stainless steel sleeve

outperform and outlast the competition

O2 Sensor Bung

This black R1 is used when installing aftermarket sport bike clip on handlebars on your Yamaha R1

MOOSE RACING Dual Sprocket - Black - 48 Tooth 1210-808-48-10X Taillight Socket you need an ECU thatDesigned to outlast standard aluminum rear sprockets and is much lighter than steel rear sprockets Inner ring is made from 7075 T6 aluminum and the outer ring is made from heavy duty steel Self cleaning mud grooves between each tooth to prevent dirt build up