Page 49 - 2019 promax product catalogue

ADJUSTABLE AHEAD STEM STEM

MA-553E (ISO 4210 C)
MA-553 features a robust side tightening mechanism to ensure the rigid state of the
stem when locked in place. Its quick-release function also allows the users to adjust the
angles tool-free.
Forged aluminum alloy body with reinforcement nylon QR
Also available with Aluminum quick release: MA-553
Material: Alloy / nylon BRAKE SYSTEM
Angle: 90˚~160˚
Extension: 100mm
Bar bore: Ø25.4mm
Clamp I.D.: Ø25.4 / Ø28.6mm
Stack height: 40mm
Weight: 477g; Ø25.4 x 100mm ext.
Finish: Black / Silver / Powder coated color HUB
Packing: 30pcs / ctn / 0.8cuft
Produced in: Taiwan

MA-579 (ISO 4210 C) SKEWER
Tool-free adjustable ahead stem
Material: Alloy
Angle: 90˚~160˚
Extension: 110mm SEAT POST
Bar bore: Ø25.4mm
Clamp I.D.: Ø25.4 / Ø28.6mm
Stack height: 40mm
Weight: 450g; Ø28.6 x 110mm
Finish: Black / Silver / Powder coated color
Packing: 30pcs / ctn / 0.68cuft
Produced in: Taiwan SEAT CLAMP

MA-573 (ISO 4210 C)
Alloy body with reinforcement nylon QR STEM

Material: Alloy / nylon
Angle: 90˚~160˚
Extension: 110mm
Bar bore: Ø25.4mm
Clamp I.D.: Ø25.4 / Ø28.6mm HANDLEBAR
Stack height: 40mm
Weight: 505g; Ø25.4 x 110mm ext.
Finish: Black / Silver / Powder coated color
Packing: 30pcs / ctn / 0.8cuft
Produced in: Taiwan BAR END

MA-595 (S) (ISO 4210 C)
MA-589 (S) (ISO 4210 C)
Unique no side-play adjustment mechanism design to secure a
stiffer and safer ride
Material: Forged AL6061
Angle: 40˚~140˚ PARTS & ACCESSORIES
Extension: MA-595 / MA-589: 110mm
MA-595S / MA-589S: 90mm
Bar bore: MA-595(S): Ø31.8mm
MA-589(S): Ø25.4 / Ø31.8mm
Clamp I.D.: Ø25.4 / Ø28.6mm
MA-595 Stack height: 40mm
Weight: MA-595: 283g; Ø25.4 x 110mm ext.
Finish: Black / Silver / Anodized / S.B. color
Packing: 50pcs / ctn / 0.87cuft
Produced in: Taiwan
MA-589
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