We encourage you to visit your local bike shop - especially an authorized SRAM dealer - for expert advice, installation and service for SRAM products. Visit our online support hub for Frequently Asked Questions.

We encourage you to visit your local bike shop - especially an authorized SRAM dealer - for expert advice, installation and service for SRAM products.

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2014年12月25日 · 求问懂 SRAM DD3的朋友折叠车和小轮径改装技术交流的自行车论坛，人气和专业度最高的折叠自行车网站，业界轻量化的发源地和倡导者，致力于推广单车文化，自行车骑行旅游，改装交流。

2015年6月16日 · NIJKERK, the Netherlands - SRAM recently launched the DD3 Pulse e-bike shifting system. This new shifting system is fully integrated. Depending on speed, the gear hub …

2015年6月17日 · NIJKERK, the Netherlands – SRAM recently launched the DD3 Pulse e-bike shifting system. This new shifting system is fully integrated. Depending on speed, the gear hub automatically selects one of three gears: whether braking for a traffic light or going up a steep hill.

View and Download SRAM DUALDRIVE manual online. SRAM DUALDRIVE bicycle accessories pdf manual download.

2015 DD3 Pulse E-Box Frame Fit Specifications - Rev. We encourage you to visit your local bike shop - especially an authorized SRAM dealer - for expert advice, installation and service for …

SRAM DD3 is a unique shifting system that combines a three-speed gear hub with a traditional cassette body controlled by a derailleur. It gives you all the gearing you need, but simplifies the system by putting all the controls in one hand.

General Information The DD3 Pulse E-Box is an automatic system with three gears. It interfaces with the BOSCH midship motor. Only use an DD3 Pulse E-Box with a DD3 Pulse Hub. The …