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ACROS AH-49 Headset Lower Part 1 1/8 Inch - EC49/30

ACROS AH-49 Headset Lower Part 1 1/8 Inch - EC49/30

To maximize the compatibility with different fork steerers, bikes and frames, the upper and lower parts of ACROS headsets are being offered separately in a great variety of dimensions.

The ACROS AH-49 Headset Lower Part features the high-end bearing and seal technologies from ACROS in stainless quality for 1 1/8" steerers.

Precisely manufactured angular contact bearings made of stainless steel form the heart of the AH-49 and offer play-free and smooth steering characteristics for a long time. The right sealing technology is equally important as the highest quality bearings when it comes to high-end components.

New for the year 2017 is a sturdy vulcanized seal bonded to the compression ring and the base plate as an additional and first barrier against water and dirt.

In addition to the new vulcanized seal on the compression ring and the base plate, the sealing discs of the bearings now have a special v-groove double split lip (V-LIP). Furthermore, the V-LIP is recessed in a fine polished groove, which significantly increases the sealing effect once again.

The name ACROS AH-49 describes the 1 1/8" Ahead headset with external cups. The S.H.I.S. denotation (see attachment) of the lower part offered here is EC49/30.
Construction type (Ahead/Thread): Ahead
Cup skirt length in mm: 10
Included in delivery: headset lower part for 1 1/8" steerer
Material: headset cup: aluminium
bearing: stainless steel
Weight supplement: manufacturer information

Fact Sheet of ACROS AH-49 Headset Lower Part 1 1/8 Inch - EC49/30

Product Name: ACROS AH-49 Headset Lower Part 1 1/8 Inch - EC49/30
Manufacturer: ACROS
Item Code: ACR472740
activity: Cycling
usage bikesport: MTB
Steerer tube Ø: 1 1/8" straight ahead
S.H.I.S.: External Cup (EC)
S.H.I.S. bottom: EC49 / 30
headset version: Lower part
headset stack height: 12.8mm
Model year: 2022
Color: Black, Red, Blue
weight: 62g