Gift Selection Ritchey WCS ZS55/40 Press-Fit Lower Headset

Use:

For 1.5″ lower head tubes combined with 1.5″ , 1 1/8″ – 1.5″ tapered or 1 1/4″ – 1.5″ tapered forks.

Specifications:

Application:

Road, Cross Country

Lower Cup:

1.5″

Steerer Tube:

1.5″ or 1 1/8″ – 1.5″ tapered

Design:

Zero Stack (ZS)

Technical Information:

Material:

aluminium

Bearings:

cartridge bearings (titanium-coated)

Lower Outer Diameter:

55 mm

Lower Inner Diameter:

40 mm

Features:

• Series: WCS (World Championship Series)
• Sealed bearings

Standardized Headset Identification System (S.H.I.S.):

In order to clarify and bring uniformity to a sea of headset standards, manufacturers Acros, Cane Creek, Hope, Race Face, Reset Racing and Ritchey have agreed upon using a shared nomenclature, which will likely include more participating companies in the future. This system takes into account a combination of frame and fork dimensions. Both the upper and lower part of the headset are marked by two alphanumeric>

Nomenclature:

EC:

Bearings contained within cups that are located outside of the frame (external cup).

ZS:

Bearings contained within pressed-in cups where the cup and bearings rest inside the frame (zero stack).

IS:

Bearings that fit directly into a bonded or machined interface that is integrated into the frame (integrated).

Manufacturer Number:

33055337012

Contents:

• 1 x Ritchey WCS press-fit lower headset cup incl. bearing
• 1 x crown race