The RSL Aero Water Bottle is a 591 ml aero bottle specifically designed for use with the RSL Aero Bottle Cage (sold separately) to improve aerodynamic efficiency by reducing airflow separation. Constructed from BPA-free and PVC-free polyethylene, it provides a measured 1.8-watt power saving at 35 km/h compared to standard cylindrical systems.
This bottle is engineered for riders who value speed, utilizing a high-flexibility material for optimized squeeze performance and a high-flow poppet for efficient fluid delivery. The non-cylindrical, flat-sided shape is strictly compatible with the proprietary RSL Aero Bottle Cage and will not fit standard bottle cages.
"Clever aero cage system with real benefit"
‘They are good for drinking water and you can also use standard bottles’
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"Game-changer"
‘Making a usable bottle solution that creates a large aero shape is a game-changer’
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"Water bottle helps to keep things slippery"
‘The RSL Aero water bottles and cages are important components, contributing to the overall aerodynamics of the Trek Madone Gen 8’
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Every watts matters
The RSL Aero Water Bottle and Cage is the hydration vessel of choice for team Lidl-Trek, offering 1.8 watt savings at 22 mph on Madone Gen when compared to round bottles and standard cages.
Made for Madone Gen 8, faster everywhere
While the RSL Aero Bottle and Cage was made for Madone, if offers meaningful aero watt savings on every race bike we tested.
Hydration never tasted so aero
A leak-proof cap, easy-to-use poppet and the perfect squeeze make RSL the best water bottle as it has an aerodynamic advantage.
UCI compliant
The RSL Aero Water Bottle and Cage are UCI compliant to be safe and fair at all levels of cycling.
Dishwasher safe
The RSL Aero Water Bottle is dishwasher safe on the top rack. No dishwasher? Wash regularly with warm water and soap to prolong the life of your water bottle.
| Size | 591 ml |
|---|---|
| Insulated | Non-insulated |
| Tethered Cap | No |
| Bottle height | 9.4" (24 cm) |
Specifications, colors, and pricing are subject to change without notice. Due to global supply chain variables, compatible parts may be substituted at any time. Stated weights are estimates based on pre-production models; final production weights may vary.
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