Important: These Seals are for the Marzocchi Forks. Aprilia RS50 2T 1993-2010 (Marzocchi). The answer is easy, Pyramid Parts Oil seals are all Low Stiction (low friction) seals designed specifically for motorcycles.
The Lord of the Tools 2 Pairs Front Brake Pads Compatible with Kisbee 50 (2T/4T)/RS 50 (2T/4T)/100 (4T) Looxo 50 Trekker 50 (2HT) Speedfight 50 1/2 Vivacity 50/2 (50cc)
RS 50 Front Tyre 90/80-17 Kenda K6011 Aprilia RS 50 2001
CrankShaft For Aprilia RS 50 RX 50 SX 50 Derbi Senda 50 Gilera-RCR 50 After 2005
Oil Pump For Minarelli AM6 Aprilia RS 50 Rieju RS1 MRT 50 Yamaha DT 50 TZR 50
M2S Oil Pump For Minarelli AM6 Aprilia RS 50 Rieju RS1 MRT 50 Yamaha DT 50 TZR 50
Motorcycle Cylinder Barrel Kit For Aprilia RS 50 RS4 50 SX 50 RX 50 Derbi Engine
