Tange Seiki Headset J-27 1 1/8″ Ahead

Tange Seiki Headset J-27 Made in Japan – High quality at a reasonable price. Stack height: 14,7 11,5 = 26,2 Weight: 84 grams Double sealed bearings: 41/30.2/6.3, 45°/45° Cup Diameter: 34.0mm Fork Crown Race: 30mm