Reach adjust headset offering +/-5mm adjustment. Designed for frames with a 49mm upper and 56mm lower internal headtube using a tapered (1 1/8" to 1 1/2") steerer tube. CNC-machined in-house in the UK from 6082-T6 aluminium and finished with a durable anodise finish.

Reach Change: +/- 5mm

Fits Headtube Internal Diameter: Upper - 49.61mm: EC49
Fits Headtube Internal Diameter: Lower - 56mm: EC56

Upper Cup Insertion Depth: 13.5mm
Lower Cup Insertion Depth: 11.5mm

Upper Cup Stack Height: 11mm - Total upper stack height including bearing cover: 15mm
Lower Cup Stack Height: 14mm

Upper Bearing: 41mm OD, 45 x 45 Degree AC sealed bearing
Lower Bearing: 52mm OD, 45 x 45 Degree AC sealed bearing

Fork Steerer Tube Size: 1 1/8"

Material: 6082-T6 aluminium

Finish: Anodised

Headset comes complete with top-cap (star-nut included), bearings and crown race - all parts required for fitment.

We use the 'SHIS' standard to label our headsets - For SHIS info please refer to the Park Tools information page - Standardized Headset Identification System | Park Tool