Description Price: £19.99(as of Sep 20,2022 17:21:39 UTC – Details) 1.1/8″ semi-cartridge type Headset for 49mm od head tube 1.1/8″ steered alloy top cover chromyl cups semi-cartridge bearings stack height: 18.7 3 = 21.7mm spares: top and bottom bearings: MR083 crown race: H6018 (160-5549) For 49mm OD head tube1.1/8″ steered
