Equipped with a built-in rotating screw head for square cranks rotatable screw head suitable for ISIS drive and Octalink cranks. The thread has a protective ring that protects against damage to crank thread.
Additional information
Weight | 0.12 kg |
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brand | Brand: Birzman |
dimensions | 6.5 x 2.5 x 2.5 cm; 103 Grams |