Nitto NJ-89 Threadless Keirin Track Stem - New in Box
The first NJS-certified threadless stem. A cold-forged aluminum alloy stem with a beautiful polished silver finish, the Nitto NJ-89 will spruce up any bike, track-specific or otherwise.
Specifications
Nitto NJ-89 Threadless Stem
Material: Cold-forged aluminum alloy
Length: 70mm (please see our other listings for other lengths)
Handlebar clamp diameter: 25.4mm
Steerer clamp diameter: 1-1/8" Threadless
Angle: -17° drop
NJS - approved by Keirin Professional Races in Japan
Originally designed for women's Keirin racing in Japan