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This update of the best-selling Ergon backpack is now even more user-friendly. Developed for Enduro and All-Mountain use. One for all – with the completely reworked 4-step adjustable carrying system, back length can easily be adjusted between sizes S and XL. Thanks to the “Adaptive Carrier System†load compression principle and the flexible aluminium profile the backpack can now be adapted even more accurately to the rider's anatomy. The hip strap can be shortened as required.
The bag contains a main compartment with 4 inner pockets, a separate bladder, a front pocket including a small compartment for tools and pumps, and a waist bag. The BA3's additional back compartment offers room for the back protector (BP100) and a bladder (BH300). Even when carrying the battery in the BA3 E, the protector compartment still has enough room to accommodate the BP100 and the BH150 bladder.
| Order Value | Service | Estimated Delivery | Cost |
|---|---|---|---|
| Under £39.99 | Royal Mail Tracked | 2–3 working days from dispatch | £4.99 |
| £39.99 and over | Royal Mail Tracked | 2–3 working days from dispatch | FREE |
| Any order — Express | Royal Mail Tracked 24hr / Parcel Force 24hr | Next working day from dispatch | £6.99 |
| Bikes | Parcel Force 48hr Signed For | 2 working days from dispatch | FREE |
Delivery times shown are from dispatch, not from the point of ordering. As we source products from a range of suppliers, lead times can vary — please check the product page, your cart, or your order confirmation for the most accurate estimate for this item.
Some remote UK postcodes (Highlands, Islands) may carry a courier surcharge on larger orders — we will always contact you before applying any additional charge.
Questions? Email sales@cyclestore.co.uk with your order number.

