Is there a speedfil system bottle you can attach to bike if you dont have aero bars?

Yes, you will want to get either the F1 or F2 system depending on your preference. F2 is similar to A2 meaning it uses a standard Specialized "Purist" style bottle so you can use a different bottle if you want (larger, insulated, etc). The F1 is aero, fills the center triangle of your bike and had a large capacity. Both F1 and F2 can be used with a road bike.

Does the A2 threaded cap work with Elite Fly bottles?

Thanks your interest in the Speedfil A2. Due to the thinner walls and different cap profile of the Elite Fly bottle we do not consider this to be compatible with the A2. If you are looking for an alternate bottle to use with the A2 a Specialized branded Wide Mouth bottle is compatible.

Can one use other generic bike bottles or do you have to use the proprietary one? Trying to get a larger capacity bottle, many thanks and good racing

Thanks for your interest in our Speedfil products. Yes you can use other bottles as long as they have the same threads. Any Specialized brand bottle will work and you can use a 21oz bottle or the larger 24 oz. There might be a few other bottle brands out there that will work. We do know that Polar brand bottles do not fit. I hope this helps Speedfil.

How do you attach the water bottle to your aerobars? Do you have to buy the Z4 cage?

I did buy the cage. I think there may be several renditions of a cage system for this bottle but the easiest and most highly recommended was the Z4.

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Description

💨 Stay ahead, stay hydrated—ride like the pros do!

UNIVERSAL COMPATIBILITY - Works seamlessly with any Specialized thread-compatible bottle for ultimate convenience.
HANDS FREE HYDRATION SYSTEM - Multiple mounting options let you hydrate without breaking your rhythm or grip.
EASY CLEAN BPA FREE MATERIAL - Maintain peak hygiene effortlessly with a reusable, toxin-free bottle designed for quick hand washing.
PATENTED ZERO SPLASH TECHNOLOGY - Stay focused—no more distracting spills on your handlebars during intense rides.
AERODYNAMIC DESIGN FOR PEAK PERFORMANCE - Cut through the wind with a sleek, low-profile bottle that boosts your cycling speed.

The Speedfil A2 Bicycle Water Bottle is a 621ml, BPA-free hydration system engineered for cyclists who demand efficiency and style. Featuring patented ZeroSplash technology and a hands-free design with multiple mounting options, it ensures spill-free, aerodynamic hydration on the go. Compatible with all Specialized thread bottles and easy to clean, it’s the ultimate companion for triathlons, time trials, and everyday rides.

Specifications

Brand	Speedfil
Material	Plastic
Bottle Type	Standard Bottle
Color	Bta Mount
Capacity	621 Milliliters
Special Feature	Aerodynamic, Hands-free Drinking, Easy-clean, Zero-splash
Product Dimensions	6"W x 6"H
Product Care Instructions	Hand Wash Only
Model Name	A2
Recommended Uses For Product	Cycling
Number of Items	1
Theme	Sport
Reusability	Reusable
Shape	Round
Material Type Free	Bisphenol A (BPA) Free
Style	A2 Adapter
Unit Count	1.0 Count
Package Information	Bottle
Specific Uses For Product	Triathlon, Time-trial
Item Weight	0.7 Pounds
Manufacturer	Speedfil
UPC	858712003013
Part Number	SF-A200-03
Item Weight	11.2 ounces
Item model number	SF-A200-03
Is Discontinued By Manufacturer	No
Size	21 Ounces
Item Package Quantity	1
Special Features	Aerodynamic, Hands-free Drinking, Easy-clean, Zero-splash
Included Components	A2
Batteries Included?	No
Batteries Required?	No

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