- MSRP: $860
- Use: Complete drivetrain kit to upgrade 12-speed Shimano mechanical group to Di2
- Gear Range: 500% with GS/9-45T or 510% with SGS/10-51T
- Shifter: RAPID ES Di2 switch
- Includes: battery, charger, and 12-speed shifter with I-SPEC or clamp options plus chain Quicklink
- Cassette Compatibility: Shimano 12-speed HYPERGLIDE+ and MICRO SPLINE cassettes
Pros
- Easy way to upgrade current Shimano 12 speed MTB drivetrain
- Lightning fast shifting
- Compatible with existing 12 speed chains, cassettes, chainrings, and cranksets
- Wide range of shift lever paddle adjustment
- Good battery life
- Uses standard derailleur hanger (Could be pro or con)
- Still has limit and b-tension adjustment screws (Could be pro or con)
Cons
- Uses standard derailleur hanger (Could be pro or con)
- Still has limit and b-tension adjustment screws (Could be pro or con)
- Slight clunk possible on hardest hits
- No single/double slick mode adjuster like XTR
- Rubber shift pads aren't quite as nice as XTR
