Shimano EW-RS910 is a genuine Shimano Di2 junction delivering precise, reliable electronic shifting for road and mountain bike riders. Genuine Shimano EW-RS910 — brand new in retail packaging. Will it fit? This is a Shimano Di2 Junction A (2-port E-TUBE) with charging port and battery monitor — for Shimano Di2 electronic groupsets, bar-end or frame mount. Key Specifications Brand Shimano Series Shimano EW-RS910 MPN EW-RS910 Type Di2 Junction Key Spec Junction A, 2-port Material Composite Weight 11 g (0.4 oz) Color Black Country of Origin Japan Condition Brand new — original Shimano retail packaging Technology Highlights ✓ E-TUBE 2-port junction with charging port connects and powers your Di2 system. ✓ Battery and shift-mode indicator lets you check charge and adjust at a glance. ✓ On-unit adjust mode makes fine-tuning quick. ✓ Mounts at the bar-end or built into the frame for a clean setup. ✓ Genuine Shimano quality — consistent performance and durability. What's in the Box 1 × Shimano EW-RS910 Mounting hardware & documentation (as supplied) Original Shimano retail packaging Brand new in retail packaging. Ships from Ontario, California (US domestic) · Estimated delivery 3–5 business days · Free 30-day returns.
