Reach adjust headset to suit 49/56 headtubes (Such as the Pivot Phoenix).
This headset will allow you to alter your top-tube length by +/- 6mm
Fits headtube internal diameter - 49mm Upper - EC49, 55.95mm Lower - ZS56
To suit standard 1 1/8" straight steerer tube forks only.
41mm OD, 45 x 45 Degree AC sealed bearings
Insertion depth: 15mm Upper, 16mm Lower
Cup Stack height: 3.5mm lower, 12mm upper - Total upper stack height inc bearing cover: 17mm
Proudly machined in the UK from 6082 T6, Black Anodize finish