FREE SHIPPING on orders of $50 or more.* Same day shipping before 3PM Pacific.
X
Questions? Call our experts!
1.800.651.4050
SHOP NEW ARRIVALS
DEAL OF THE DAY
ALL SALE ITEMS
SHOP CLOSEOUTS
Click to zoom
Shimano Dura-Ace Di2 SM-BTR1 Battery
Shimano Dura-Ace Di2 SM-BTR1 Battery

Shimano
Di2 SM-BTR1 Universal Battery

Price
Reduced
Purchase this popular item
today and save 10%
Out of Stock
Sale
ea.
$70.19
Save 10%
MSRP $77.99
This item is currently out of stock. Click Notify Me to receive an email when the item becomes available.
InstantPrice MatchWhat is this?
Qualifies for Free Shipping!

The life-force of Shimano's advanced Dura-Ace Di2 and Ultegra Di2 components systems.

The SM-BTR1 is a rechargeable 7.4 volt lithium-ion battery which powers the digital shifting components. Shimano recommends recharging every 1,000 miles, but it's safe to charge at any interval. The battery charges in 1.5 hours, and if it does die while riding, the system will stay in the gear the last used gear, so you won't end up on foot.

The SM-BTR1 weighs 70 grams. Its required charger, wiring kit, and frame mounts are sold separately.

Additional Details:

  • Lasts 300 charge cycles without diminishing, then slowly diminishes thereafter
  • Charge time: 1.5 hours
  • Battery weight: 70g.
Comparing bottom bracket types and standards.
You wanna go fast? Join the ceramic revolution!
Make your upgrades count. Here's the equipment that will help you ride your bike faster.
Campagnolo vs. Shimano vs. SRAM: demystifying groupsets.
What to consider when selecting a crankset for your road bike.