Hope IS52/40 J Headset Bottom Assembly - black/IS52/40

Hope IS52/40 J Headset Bottom Assembly

Item number: 64919
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Reliable and durable: the IS52/40 J Headset Bottom Assembly by Hope


The Hope IS52/40 headset bottom assembly is distinguished by its reliability and durability. The reason for this is the corrosion-resistant stainless steel bearing and the rubber seal. The crown race is slotted to facilitate assembly.

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:
Downhill, All Mountain, Enduro, Cross Country, Trail
Lower Bearings:
1.5"
Steerer Tube:
1 1/8" , 1 1/8" - 1.5" tapered, 1 1/4" - 1.5" tapered
Design:
integrated (IS)

Technical Information:

Bearings:
angular contact ball bearings, stainless steel
Bottom Outer Diameter:
52 mm
Bottom Inner Diameter:
40 mm
Seals:
integrated rubber seal

Features:

  • replaceable corrosion-resistant stainless steel bearings
  • slotted crown race for easier assembly
  • sealed

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 top and bottom parts of the headset are marked by two alphanumeric identifiers. The first identifier indicates the type of headset (External Cup, Zero Stack, Integrated) and head tube diameter. The second identifier - separated from the first by a backslash - indicates the diameter of the steerer tube. When referring to a complete headset, the specifications of both top and bottom parts must be combined.

Nomenclature:

EC:
Bearings contained within headset cups that are located outside of the frame (External Cup)
ZS:
Bearings contained within pressed-in headset 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:

black: HSCJN

Contents:

  • 1 x Hope lower bearing
  • 1 x crown race
  • 1 x O-ring


  • 100 day return period
  • Online since 1998

Models:

  • black/IS52/40, in stock
    28.55€

Customer Reviews (2)

4.5

Customer Reviews (2)

4.5/5.0
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Give us your opinion on this product.

by alessandro a. on 19.02.2023
verified purchase
item: black/IS52/40

Lief neu schon ein bisschen rau, hab es erst mal eingebaut und hoffe es funktioniert trotzdem, ein anderes neues Lager für oben läuft im Gegensatz zu diesem butterweich.
Ist gut mit fett gefüllt und sieht qualitativ hochwertig aus, der Konus lässt sich auch sehr leicht montieren und hat eine schöne Dichtlippe.

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by Gabriel H. on 26.11.2022
verified purchase
item: black/IS52/40

Perfect replacement for my Canyon Spectral M121. No more creaks and still fine after a season!

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