Prima Roller Weights 23mm X 18mmCOMPATIBILITY: BMS – 250cc Scooters, Go KartsCFMoto – 250cc Scooters, CruisersDaelim – S 250Diamo – 250cc ScootersHonda – Foresight 250 ’98-99, Forza 250/300i, Jazz-Reflex 250, Pantheon 125/150, SH300iKinroad – 250cc Go KartsKymco – Bet & Win (B&W) 250, Grand Dink 250, People 250/300i, Xciting 250/300, Xciting 250/300, X-Town 300i, Yager 300, Yup 250Lance – 250cc Scooters, Go KartsRoketa – 250cc Scooters, Go KartsTank Sports – 250cc ScootersMany Other 250cc CN or CFMoto Based EnginesSet of 6 (23x18mm) roller weight weights from Prima. These high-quality HD [Heavy Duty] weights not only perform very well as a stock weight replacement, but also show their true potential in high-end engines. During production, the inner ring is carefully knurled and only after this is it bonded with the plastic. This prevents the weight material from separating from the inner ring under temperature fluctuations, which usually happens with cheaper weights. The high PTFE cont