First Components RK3 - ZS44/28.6 | ZS56/40 Headset
- A premium threadless/Ahead semi-integrated headset to fit modern bikes with a 44/56mm ID headtube and tapered 1-1/2" - 1-1/8" steerer
- Alloy cap/cups/topcap w/ ACB sealed cartridge bearings (Upper = 45°x45° / Lower = 36°x45°)
- ZS44/28.6 – ZS56/40
- 12.5mm stack height
Ships FAST, from Canada!