Cane Creek 40 Series Integrated Headset — IS42/28.6 | IS52/40, Black (1-1/8" to 1.5")

This is Cane Creek’s 40 Series Integrated headset for tapered steerer frames, built for riders who want dependable performance without boutique pricing.

It uses sealed black-oxide bearings and low-friction face seals to deliver long service life in real riding conditions.

Key Functional Details

• Integrated headset for tapered steerers (1-1/8" to 1.5")
• SHIS: IS42/28.6/H9 | IS52/40
• 6061-T6 aluminum construction
• Short 9mm top cover
• Black-oxide sealed cartridge bearings
• 45° / 45° bearing interface
• Low-friction face seals on crown race
• Stack height: 16mm
• Approximate weight: 87g
• Black finish

Compatibility & Technical Notes

• Fits frames designed for IS42 upper / IS52 lower integrated headsets
• Designed for tapered forks (28.6mm upper / 40mm crown race)
• Requires integrated headset bearing seats in frame (no pressed cups)
• NOT compatible with ZS or EC headset frames
• NOT compatible with straight 1-1/8" frames unless lower cup is IS52
• Crown race included

Service / Ownership Context

This headset is built for everyday trail, gravel, and commuter use. Bearings are sealed but still benefit from periodic inspection and regreasing, especially in wet or dusty riding environments.

Fit & Use Signals

• Good Fit: Bikes with IS42/IS52 integrated headset frames running tapered forks.
• Not A Fit: Frames requiring Zero Stack (ZS) or External Cup (EC) headsets, or straight steerer forks without IS52 lowers.