WSM Piston Kit - Standard - Yamaha 50-521P RS-16 E-Bike Seat Post Self cleaning mud grooves between

Self cleaning mud grooves between each tooth prevent dirt build upand reduce chainwheel wear and weight

Comes with all necessary hardware

with a trapezoidal shape at the end cap Assures a great resistance to corrosion and remains reliable at high temperatures The muffler body is completely covered by a stainless steel heat shield

The inter core tube is made of stainless that slips over the entrance and into the exit cap that is made of Titanium and accented with a Carbon fiber beauty cover with a 60* slash cut

WSM Piston Kit - Standard - Yamaha 50-521P RS-16 E-Bike Seat Post Self cleaning mud grooves betweenNew light weight design incorporates shorter piston skirts with an PTFE coating at critical wear points for quicker revs and less heat Improved intake skirt with larger inlet ports for increased acceleration and overall performance