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Shimano DXR: Top technology and top design for BMX racing, designed to meet the needs of tomorrow's Olympic athletes. Just right for tricks on the course. The FC-MX71 crank has the high strength of the proven Saint Hollowtech II design. The narrow aluminium crank arms provide even more freedom of movement for tricks on the course. Despite its light weight of only 750g, the MX71 is very stable. Reinforced pedal-arm connection with 9/16" thread. No T-bolt nut is required for mounting the pedals.
light, but stiff and robust
reinforced pedal-pedal-arm connection
compatible with 68 mm bearing shells
designed for high strength based on the proven SAINT HOLLOWTECH II design