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Matrix Concepts H1 starter blocks (black/green) are a pair of compact, strong starting blocks machined from 6061-T6 aluminum and finished with durable powder coat. Each block has a 4.5 in x 4.5 in boot-resting platform, a 6 in x 9 in footprint, and stands 3.25 in tall to provide stable support for starting and positioning bikes. Sold as a pair for convenience.
Matrix Concepts H1 Starter Blocks (Set) - Black/Green
