1x12 MTB / Gravel Rear Derailleur installation and adjustment guide
This 2026 guide helsp you set up your 1x12 Di2 rear derailleur. We'll set the limits, micro-adjustment, and B-gap.
Long Cage e-bike Rear Derailleur (12-speed)
Deore RD-M6260-12
Wireless Di2 shifting designed for E-MTB and HYPERGLIDE+. The ultra-durable RD-M6260 long-cage, 12-speed rear derailleur pairs best with the CS-M6200 10-51 cassette to deliver features all riders can appreciate. It taps into the same wireless Di2 shifting technology and strengths of the other Deore offerings, while pulling power from the bike’s main battery, delivering a stable power supply, and eliminating the need for a back-up battery.
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- Direct Wired: M6260 pulls power from your existing e-bike battery to deliver a constant supply of shifts.
- LINKGLIDE Compatible: Added derailleur durability combined with a LINKGLIDE cassette extends the drivetrain’s lifespan.
- RD Protection Function: The new Automatic Impact Recovery function instantly returns the derailleur to its original position after impact.
Specifications
- Model code: RD-M6260-12
- Series: Deore (M6200)
- Speeds: 12
- Number of switches: 1 (function button)
- SD300 ports: 1
- Connector: SD300
- Battery: E-Bike, uses EW-PS300
- Total capacity: 41T
- Low sprocket max: 51T
- Low sprocket min: 51T
- Top sprocket min: 10T
- Top sprocket max: 10T
- Pulley teeth: 13T
- Wireless connectivity: Bluetooth / ANT
- Wired shifting: Yes
- Wireless shifting: Yes
- Clutch: No (Dual Spring)
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