Acros is41/is52-lagerset

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Delivered between Fri, 25.9. and Tue, 29.9.
Only 2 pieces in stock at supplier
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Product details

Bearing set for frames with fully integrated headsets featuring a bearing seat diameter of 41 mm at the top and 52 mm in the head tube. The is41/is52 bearing set consists of two stainless steel angular contact ball bearings and a matching centering ring with a vulcanized seal for optimal protection of the headset bearings against moisture and dirt.

Details:

  • Double-sealed angular contact ball bearing
  • Stainless steel ball bearings
  • Centering ring made of fiberglass-reinforced plastic with a vulcanized seal

Technical specifications:
Press-fit diameter of the upper bearing (ID): 41 mm
Fork steerer: 1 1/8" / 1.125"
Dimensions of the upper groove ball bearing: 41 x 30.1 x 5.5 - 36°/45°
Bearing height: 6.5 mm
Weight: approx. 20 g
Material: Stainless steel

Press-fit diameter of the lower bearing (ID): 52 mm
Lower angular contact ball bearing: 40 x 52 x 7 - 45°/45°
Bearing height: 7 mm
Weight: approx. 30 g
Material: Stainless steel.

Key specifications

Material
Glass fibre reinforced plastic, Stainless steel
Fork shank diameter Top
1 1/8" (28.6mm)
Inner diameter top
41mm (1 1/8") (IS)
Weight
20 g

General information

Item number
62370380
Manufacturer
Acros
Category
Bike headsets
Manufacturer No.
68.02.900
Release date
24.9.2025

Colour

Colour
Silver
Exact colour description
Silver

Material

Material group
Metal, Plastic
Material
Glass fibre reinforced plastic, Stainless steel

Bike headset properties

Bearing shell type
Integrated (IS)
Fork shank diameter Top
1 1/8" (28.6mm)
Inner diameter top
41mm (1 1/8") (IS)

Origin

Country of origin
China

Voluntary climate contribution

CO₂ emissions
0.34 kg
Climate contribution
CHF 0.11

Product dimensions

Weight
20 g
Height
6.50 mm

30-day right of return
24 Months Warranty (Bring-in)

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Reviews & Ratings

Warranty score

How often does a product of this brand in the «Bike headsets» category have a defect within the first 24 months?

Source: Digitec Galaxus
  • 1.Acros
    0 %
  • 1.PRO Bike Gear
    0 %
  • 1.Reverse
    0 %
  • 4.BBB
    0.2 %
  • 5.Contec
    0.3 %

Warranty case duration

How many working days on average does it take to process a warranty claim from when it arrives at the service centre until it’s back with the customer?

Source: Digitec Galaxus
  • Acros
    Not enough data
  • BBB
    Not enough data
  • Cane Creek
    Not enough data
  • Contec
    Not enough data
  • PRO Bike Gear
    Not enough data

Unfortunately, we don't have enough data for this category yet.

Return rate

How often is a product of this brand in the «Bike headsets» category returned?

Source: Digitec Galaxus
  • 2.Contec
    2.3 %
  • 3.BBB
    3.2 %
  • 4.PRO Bike Gear
    3.5 %
  • 5.Acros
    3.9 %
  • 6.Cane Creek
    10.7 %
Source: Digitec Galaxus