Reverse Headset Base 1 1/8" Black

" Specials " Headset Base 1 1/8" Reverse Components Black ( ZS44 28.6 | ZS49 30 ) Features Crown Race Ring: 1 1/8" Top cup: 1 1/8" ZS44|28,6 (semi integrated) Lower cup: 1.5" ZS49|30 (semi integrated) Weight: 120g (+/- 5% production tolerance)