That allows that small O-ring to separate from the face of the bearing race and there is the oil path

The accumulation of mud and stones in the mudguard is prevented

Piston diameter 12 mm = 11 to 13 mm (for mineral oil use*)

Make Model Year TRIUMPH TROPHY 1215 12>15 TRIUMPH TROPHY 1215 SE 13>16

Aerodynamic Shell Design:

GPR Exhaust - SatInox Slip-On for Suzuki V-Strom DL 1000 - 2014 to 2016 import_date_2025-11-20 That allows that small O-ringGPR's Satinox silencer is made of 304 stainless steel. It has an oval shape with a diameter of 90mm. Product Features SOUND: Upgraded sound from stock exhaust. Although louder than stock but in compliance with the limits prescribed by law, this exhaust produces the softest sound of all the GPR exhausts. PERFORMANCE: Upgraded performance from stock exhaust QUALITY: Italian made with high grade welding WEIGHT: Lighter than stock exhaust Technical