Select the product you are interested in, click delivery, type in your postcode, and select Bike Delivery. If this is not available there is no available stock nearby.
Order Confirmation
Once your order is placed we will be in contact with you within 2 hours to confirm your order.
Bike Build
Your bike will be built up at your local 99 bikes by one of our expert mechanics and safety checked prior to delivery.
Delivery
Your bike is delivered to your door by a 99 Bikes expert who will walk you through your new bike and answer any questions you may have.
At 99 Bikes, we offer multiple delivery options to suit your needs. Here’s a quick overview:
Click & Collect: Order online and pick up your item from a nearby store — free and often same-day!
Standard Delivery: Available for most parts and accessories.
Estimated delivery:
Metro: 2–14 business days
Regional & Remote: Up to 21 business days
Express Delivery: Available for most parts and accessories.
Estimated delivery:
Metro: 1–6 business days
Regional & Remote: Up to 21 business days
Boxed Bike Delivery: For selected bikes. Delivered boxed to your address and ready to be assembled in 1 - 2 weeks.
Note: Delivery times are an estimate and actual delivery times may vary based on public holidays and peak periods. Bulky items may take longer.
For full details, delivery estimates and more information, please visit our
Shipping & Delivery Info page.
The Castelli Free Aero RC Women's Bibknicks have been designed for racing in, so it should come as no surprise that they're also extremely comfortable yet aerodynamically efficient. Thanks to the trickle-down of tech from Castelli's elite-level bibknicks, the Free Aero RC knicks feature Castelli's most comfortable female-specific chamois pad yet - the Progetto X2 Donna Air Seamless Seat Pad. It offers unrivalled comfort thanks to its two-piece construction that combines a seamless SkinCare layer that conforms to your body's unique anatomy and a perforated LayerSeamless Comfort Zone cushioning to ensure that miles roll by like no tomorrow! While Castelli's high-compression 215g Forza 2 fabric offers exceptional muscle support and lactic-acid relieving compression for long-distance comfort. The Castelli Free Aero RC Women's Bibknicks harness WorldTour racing performance and technology so you can chase QOMs on every ride all while remaining comfortable.
Features
Endurance Comfort: Seamless Progetto X2 Air Donna chamois conforms to your anatomy and offers plush cushioning
Anatomic Fit: 215g Forza 2 fabric offers exceptional muscle support and lactic-acid relieving compression
Stays Up All Day: Soft elastic waist and premium GIRO4 leg grippers
Mesh Bib Straps: Ensure the Bibtights stay up without being overbearing
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