1. Join the bonus program:
Create your customer account in just a few steps and you will automatically become part of the bonus program. Stay logged into your customer account during the ordering process to collect points.
2. Collect points: Earn points with every purchase and through exclusive promotions. You automatically receive 1 point for every euro spent.
3. Redeem points:
Exchange your collected points for attractive discounts and rewards – directly on your next purchase!

Shimano Di2 battery BT-DN320 for XTR Di2 rear derailleur RD-M9250
- 🚚 Fast & secure delivery: The assembly & shipping process begins immediately after receipt of payment. We ship our bikes in large boxes via freight carrier with the front wheel already installed to make the process as easy as possible for you. The delivery will be scheduled with you in advance and carried out curbside.
- 🏆 TOP service even after purchase: Our team of experts is always available to provide you with help & advice regarding your bike.
📦 Fast & reliable delivery: As soon as we receive your order, we will do everything in our power to get your small parts and accessories on their way as quickly as possible.
⭐ Expertise that convinces: The trust and satisfaction of over 125,000+ customers reinforce our competence in advising on and selecting bicycle equipment.
SHIPPING COSTS OVERVIEW
Germany
| Click & Collect in the store | 0.00 € |
| small parts (DHL standard package) | 4.95 € (free from 99 €) |
| bicycles (freight forwarding) | 49.90 € (FREE) |
| Bicycle Express Shipping (Freight Forwarding) | 99.00 € |
| Cargo bicycles (freight forwarding) | 199.00 € |
Austria
| small parts (DHL, DPD) | 7.90 € |
| Bicycles (Freight forwarding) | 59.90 € |
Switzerland
| Bicycles (Freight forwarding) | 199.90 € |
other EU countries
| small parts (DHL, DPD) | from 7.90 € |
| Bicycles (Freight forwarding) | from 49.90 € to 229.90 € |
🔄 Easy Returns: We hope you are completely satisfied with your purchase. If something does not meet your expectations, you can easily return the goods to us within 30 days. Find further details HERE.
Need help?
Our customer service team is ready to assist you. You can reach us at any time by phone or via our contact form.
Phone Hours
Mon – Fri: 10:00 AM – 1:30 PM and 2:30 PM – 6:00 PM
Sat: 10:00 AM – 2:00 PM
+49 (0)2961-9148869
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UPGRADES & MATCHING ACCESSORIES
Shimano Di2 battery BT-DN320 for XTR Di2 rear derailleur RD-M9250
Robust. Intuitive. Consistent. – That's the motto for the new XTR M9250 groupset. With it, Shimano and the cycling community celebrate the rebirth of Di2 technology on their top-of-the-line model. And at the highest level. Thanks to modern wireless control, perfect functionality, a 12-speed drivetrain, and the usual outstanding build quality, you'll race from victory to victory and strike fear into the hearts of the competition.
A major innovation compared to previous Di2 versions is the elimination of the central power supply. This eliminates the need for cumbersome wiring, significantly simplifying installation.
The small 305 mAh battery is inserted directly into the derailleur. There it sits invisibly, securely, and discreetly supplies the necessary power. Despite the waterproof compartment, removal for charging is quick and easy.
Technical data:
- Application area: Power supply for electronic switching devices
- Battery type: Lithium-ion
- Nominal voltage: 7.6 V
- Capacity: 305 mAh / 2.32 Wh
- Charging time: n/a
- Rear derailleur compatibility: Shimano XTR Di2 RD-M9250
- Dimensions (L x W x H): 29 x 22 x 18 mm
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