Develop serious full-body strength.
Research shows that strength training has benefits far beyond muscle growth. Train regularly on the Speede Challenger and you can lock in the health benefits of strength training:
BOOST YOUR METABOLISM AND BURN FAT
INCREASE YOUR BONE DENSITY
STRENGTHEN YOUR HEART+ IMPROVE CARDIO HEALTH
Learn from our experts
The science to supercharge your training.
Shop the Speede Challenger now and start seeing results faster through the power of muscle science.