NEW BOX Three Prime 9 X-Wide Multi Shift Groupset - X-Wide Rear Derailleur, 11-50t Cassette, Multi Shift Shifter, Prime 9 Chain variant-size-4-5l Weight: 360

Weight: 360

Flash III is the most durable

The FR-5 lever hits the sweet spot with good looks

ISO Width (mm): 64

NEW BOX Three Prime 9 X-Wide Multi Shift Groupset - X-Wide Rear Derailleur, 11-50t Cassette, Multi Shift Shifter, Prime 9 Chain variant-size-4-5l Weight: 360Box's Prime 9 Technology is a counter intuitive philosophy based on the less is more theory. It embraces range without adding complexity. The outcome is fewer parts, reduced weight, and increased durability. Prime 9 technology offers the same range as a 12 speed drivetrain, with fewer gears to shift through Fewer parts, reduced weight, and increased durability Prime 9 drivetrains significantly reduce the chain angle in the lowest gears, allowing the