scooter odometer 1.digit wheel material:ABS777E 2.Dia:17.2&19.3mm 3.ISO9001:2008 standard, Rohs 4.digit printing:lettering 6 ... digit scooter odometer description Model No. SBF-LJ ... black on the white wheel Quality assuranceQuality management system: ISO9001:2008 standard, Rohs certificationAxle test: salt-sprayingHeat test : 95°C ...