Chris King InSet i5

The InSet i5 is designed specifically for frames with a 49mm internal diameter headtube. It is compatible with tapered fork steerers (1.5-inch to 1-1/8-inch) and features a semi-integrated upper cup with an external lower cup.

The patented GripLock system uses a split-ring design that isolates the steerer tube from the headset bearing. This ensures your headset tension remains secure and consistent, even under the heavy vibrations and impacts common in aggressive mountain biking.

Yes, Chris King headsets are famous for their serviceability. The sealed cartridge bearings can be cleaned and re-greased using Chris King's specific bearing service tool, which helps extend the lifespan of the component significantly.

Yes, the InSet i5 includes the necessary crown race designed for a 40mm interface, which is standard for tapered forks. It is precision-machined to seat perfectly with the lower bearing assembly.

Absolutely. While it is robust enough for demanding mountain bike trails, its smooth, precise steering performance makes it an excellent upgrade for road bikes that utilize a 49mm headtube standard.

The InSet i5 has a stack height of 22.2mm. This measurement is important because it dictates how much steerer tube length you need; you should ensure your fork's steerer tube is long enough to accommodate this stack height plus your stem and any spacers you plan to run.