Reverse Headset Base 1 1/8" A-head Black

" Specials " Headset Base 1 1/8" A-head Reverse Components Black (EC34 28.6 | EC34 30) A Head: 1 1/8" 34mm Crown Race Ring 1 1/8" Top cup: EC34|28,6 (external cup) Lower cup: EC34|30 (external cup) Weight: 111g (+/- 5% production tolerance)