Expand your Sport Series adjustable dumbbells to 40.8 kg with a compatible expansion kit. Start with a Stage 2 Kit, then add Stage 3 to reach 40.8 kg.
All Expansions are sold as pairs to add 9 kg to each dumbbell.
Sport EXP Compatibility
Sport EXP expansion kits are not compatible with Elite EXP, Sport 5.5, Sport 9.0, Sport 24, and Sport 50.