ThelatestALIGNTREX500/550/600/700SeriesV2MetalTailRotorHolder

Assemblies(H50119A/BandHN6013A/B,characterizedbyclear‐anodize

finish)hav eathickerrotorgripthatcaninterferewiththeouter‐raceofthe

flangedradial‐ballbearing.ToproperlyinstalltheKDEDirectupgrade,a 

simplemodificationisrequiredand

canbedoneinamatterofminuteson

thebenchoratthefield.

Forpropersmooth,bind‐freeoperation

oftheKDEDirectTREXSeries

PerformanceTailUpgradeV2itmaybe

necessarytochamfertheV2MetalTail

RotorGripconnectionarm.Usinga

Dremel,handfile,or

200+gritsandpaper,

care fullygrind/sanda360° chamfered

alongtheedge forclearance.

MakesuretoleaveapproximatelyØ4mmofmaterialfor

theflat‐mountingsurfaceforproperinstallationofthe

PerformanceTailUpgradeV2seriesandsupportofthe

flangedradial‐ballbearing.