www.rollerskates.com

It's not in the heel, It's all in the wheel.Anyone used to regular roller skates will feel more comfortable in speed boots with lower heels because because the HOT ROD Quadline HI-LO has a wider suspension and offers better balance.QuadLine Standard Width & Wheels Full Conversion Kit with 90mm Richard Humphrey Smooth 82a durometer urethane.Comes with: 4 trucks, 8 wheels, 8 axle nuts & 16 of Abec 5 bearings.QUADLINE SUPREME AND STREAMLINE CONVERSION KITS:WILL fit most double action 10 Degree platesPowerDyne TRITONPowerdyne THRUSTXK4 DA (double action)PROBESUPER XCENTURYSUNLITEROCKWILL NOT work with CYCLONE style plates (45 degree angle trucks)PowerDyne REACTORPowerDyne DNYAPRO SNYDER all platesXK4 SA (Single action)INVADERCLASSICNOVA (12 degrees)LASERLABEDACHICAGO (Only Works When Built by Our Mechanics)SG JUNIOR PRO (wheels will touch on sizes)QUADLINE STREAMLINE CONVERSION KIT:WILL NOT work on Chicago Bullet Plates/Skates Benefits to the Skorpion RH HOT ROD modelRH SMOOTH Quadline 90mm x 82A wheels in frontRH SMOOTH Quadline 100mm x 82A wheels in backSlight Forward Tilt (Like Regular Quad skates)Quicker TurningSport Lookwww.QUADLINING.comFeatures- SURE GRIP Quadline Streamline Trucks with Extended Axle Thread- Richard Humphrey 90mm/100mm 'Smooth' Kryptonics with Hyper Hubs- Optional QuadStop Roller Skate Back Brake!

Only fits Artistic type boots with a narrow heel.  Most speed boots will not allow a 100mm wheel in the rear.  Please call and ask for Richard Humphrey if you have any questions.