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![](https://cdn.shopify.com/s/files/1/2348/1571/files/Giant-Logo-2022_160x160.png?v=1670475497)
Designed exclusively for the all-new Giant Propel and Liv EnviLiv aero road bikes, the Contact SLR Aero Stem is an ultralight, ultra-stiff, fully integrated stem that delivers maximum aero gains and clean, easy cable management.
- Engineered exclusively for the D-shaped OverDrive Aero steerer tube of the all-new Propel
- Integrated aero silhouette from the stem cap to the spacers to the head tube
- Closed and rounded face plate works seamlessly with the all-new Contact Aero SLR and SL handlebar for maximum aero advantage
- Refined shaping and application of ultra-light composite means maximum stiffness and low weight
- Simplified cable management hides all the cables inside and beneath the stem for optimized aerodynamics and a clean look
- -10° angle
- Available in eight lengths from 80mm to 140mm
Specifications
Material Advanced SL Carbon
Weight (g)133/138/143/148/153/158/163/168
Length (mm)80/90/100/110/120/130/140
Angle ±10°
Bar Clamp Dia. (mm)31.8
Steerer tube clamp Dia. (mm)Overdrive Aero only (Only compatible with MY23 Propel and MY23 Liv Enviliv bicycles)
Stack Height (mm)40
143g (100mm)
![](https://cdn.shopify.com/s/files/1/2348/1571/files/Giant-Logo-2022_160x160.png?v=1670475497)
Designed exclusively for the all-new Giant Propel and Liv EnviLiv aero road bikes, the Contact SLR Aero Stem is an ultralight, ultra-stiff, fully integrated stem that delivers maximum aero gains and clean, easy cable management.
- Engineered exclusively for the D-shaped OverDrive Aero steerer tube of the all-new Propel
- Integrated aero silhouette from the stem cap to the spacers to the head tube
- Closed and rounded face plate works seamlessly with the all-new Contact Aero SLR and SL handlebar for maximum aero advantage
- Refined shaping and application of ultra-light composite means maximum stiffness and low weight
- Simplified cable management hides all the cables inside and beneath the stem for optimized aerodynamics and a clean look
- -10° angle
- Available in eight lengths from 80mm to 140mm
Specifications
Material Advanced SL Carbon
Weight (g)133/138/143/148/153/158/163/168
Length (mm)80/90/100/110/120/130/140
Angle ±10°
Bar Clamp Dia. (mm)31.8
Steerer tube clamp Dia. (mm)Overdrive Aero only (Only compatible with MY23 Propel and MY23 Liv Enviliv bicycles)
Stack Height (mm)40
143g (100mm)