which is CE certified according to level 2 (EN1621)

and durable

Djup: 70 mm

Inner Diameter: 57 mm

Faster starts and acceleration: Efficient spark formation provides a more responsive engine and better throttle response

VERTEX Race Evolution Casted Piston 24445B bmw-r-1100-s--0422--1100-1998-esi8988741 which is CE certified accordingVertex Race Evolution pistons, New Performance for 2 stroke Offroads, Chosen by Factory MX Teams High precision forged pistonReduced top landNitrided steel ringsExclusive MoS2 coating featured by specific pockets to facilitate cylinder piston smoo Unnamed: 25: B Bore size (mm): 54,00 Diameter (mm): 53,95 Material: Aluminium Oversize: +0,01 Piston compression: Standard Piston type: Coul Rings Quantity: 1 Stroke: 2T