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  • Ritchey Logic Zero Pro Press Fit Headset
  • Ritchey Logic Zero Pro Press Fit Headset

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Ritchey Logic Zero Pro Press Fit Headset

Silky angular contact bearings for smooth, long-lasting performance. Ritchey high-webbing grease.

"Press Fit" and "Drop In" headset bearings are located inside the steerer tube which results in a lower stack height. In contrast to "Press Fit" headsets "Drop In" headsets don't have to be pressed in. The bearing rests directly on the angled (36° or 45°) surface of the steerer tube.

Features:

  • Full complement angular contact cartridge bearings packed with Ritchey high-webbing grease
  • Tapered version

Specifications:

  • Stack Height: 12.9mm
  • Material: Alloy
  • Lower Fit (S.H.I.S.): ZS55/40
  • Upper HT OD/ID: 50/40
  • Lower HT OD/ID: 61/55
  • Bearing: Sealed Cartridge (ACB)

Buy Ritchey Logic Zero Pro Press Fit Headset from Chain Reaction Cycles, the worlds largest online bicycle store.

 
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Cup diameter

Hi, can you tell me the internal cup diameter of this (the part that presses into the frame) and the height of the top section (think they come a range of heights) please?
Gender: Male
3 months, 3 weeks ago
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Crewe,GB
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Answers

Answer: 
This headset is for a standard 44mm internal diameter headtube (semi-integrated/ zero-stack standard), and stack height on the top cover is only 10mm.
Age: 25 to 34
Gender: Male
Attitude: Just for Fun
3 months, 2 weeks ago
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