SPECIAL OFFERTake An Extra 25% Off This Item, Discount Taken in Cart. See details
Markdown Madness: Event dates are 7/24/15 – 8/2/15 only. Online, percent discount is taken at checkout. Discounts apply only to specified categories and/ or brands as noted. All bikes and doorbusters priced as marked. Promotion excludes taxes, gift cards / eGift cards, Spin Doctor Services / Service Plans, Team Performance® memberships/renewals, paid training fees, bikes rental fees, and shipping & handling on web/phone orders. Some brand and/or item exclusions may apply – visit Terms and Conditions for details. Offer is valid online at PerformanceBike.com (no coupon code needed) or by phone at 1-800-727-2453. Promotion cannot be combined with any other promotions & cannot be applied to previous purchases. Sorry, no rain checks. Photographic, typographic and pricing errors are unintentional and subject to change.
Shimano Di2 SM-BTR1 Battery PackThis 7.4V, high-performance Lithium Ion battery will keep your Di2 system supplied with power no matter what. Field tested and proven to deliver reliable performance in even the worst weather conditions, the rechargeable Di2 battery holds a 1000km charge, regardless of how often you shift. Lithium Ion technology is lighter, more compact and better performing than other power sources. Mounting bracket easily adapts to all road bikes and allows Di2 battery to be removed easily for charging.
What you need to know: Ultegra Di2 Conversion
- Proven to deliver reliable performance in all conditions
- Rechargeable Di2 battery holds a 1000km charge, even when circumstances require consistent and frequent shifting
- Lithium Ion technology is lighter, more compact and better performing than other power sources
- Mounting bracket easily adapts to all road bikes
- Battery can be removed easily for charging
Shimano Di2 SM-BTR1 Battery Pack
- Shimano Dura Ace Di2 and Ultegra Di2 groups
- Shimano Dura-Ace Di2 7970 Gruppo