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ACROS AZ-44BL Block Lock Headset Upper Part 164° - 1 1/8 Inches - ZS44/28,6

ACROS AZ-44BL Block Lock Headset Upper Part 164° - 1 1/8 Inches - ZS44/28,6

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 semi-integrated ACROS AZ-44BL Headset Upper Part features the established seal technologies from ACROS and high-end bearings in stainless quality.
The AZ-44BL integrates the innovative Block Lock steering limiter system (steering angle: 164°) to prevent frame damage due to handlebar or fork impacts. Cutouts in the upper cup guide a pin on the headset top cap and mechanically limit the steering. The impact forces at the steering limits are reduced by elastomer bumpers to increase the grade of protection. The Block Lock steering limiter is especially suited for super-light and delicate carbon frames.

Precisely manufactured angular contact bearings made of stainless steel form the heart of the AZ-44BL 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. For the AZ-44BL ACROS uses the R3 seals featuring a specially shaped sealing lip with steel-plate reinforcement to achieve the best possible properties. The slide-on seal is firmly seated, defining and guaranteeing optimized function with low friction.

The name ACROS AZ-44 describes the semi integrated (also known as press fit or zero stack) 1 1/8" Ahead headset for frames with a 44mm inner diameter head tube. The S.H.I.S. denotation of the upper part offered here is ZS44/28,6. Stack height 21,9mm.
Construction type (Ahead/Thread): Ahead
Cup skirt length in mm: 7,7 mm
Material: headset cup: aluminium
bearing: stainless steel
Weight supplement: manufacturer information

Характеристики ACROS AZ-44BL Block Lock Headset Upper Part 164° - 1 1/8 Inches - ZS44/28,6

Product name: ACROS AZ-44BL Block Lock Headset Upper Part 164° - 1 1/8 Inches - ZS44/28,6
Manufacturer: ACROS
Item code: ACR346621
Activity: Cycling
Usage bikesport: MTB
Steerer tube ø: 1 1/8" straight ahead
S.h.i.s.: semi-integrated (ZS)
S.h.i.s. top: ZS44 / 28.6
Headset version: Upper part
Headset stack height: 21.9mm
Model year: 2022
Color: Black, Red, Blue
Weight: 81g
Manufacturer item code: black: 51.02.605R2Sred: 51.04.605R2Sblue: 51.05.605R2S