Seamless 0.120" (3mm) wall 4130 chromoly construction
CNC mandrel bends
Black electroplate and mirror chrome-plated finishes available
Available in smooth for custom application or TBW w/ insert for regular, cable-operated throttles, and if you remove the black end plug it will accept Harley's Throttle-By-Wire control module
Smooth option has a 1in O.D. with a 19.4mm I.D.
TBW w/ insert option has a 1in O.D. with a 20.9mm I.D.
Technischer Überwachungsverein (Technical Inspection Association, or TüV) in Germany is an independent laboratory that tests the fatigue strength, manufacturing quality, and fitment for a wide range of consumer products, with special emphasis on automotive and motorcycle components and accessories. Biltwell handlebars and risers that have received TüV verification are among the strongest and most thoroughly well-tested motorcycle parts in the world.