Halo Double Fix-G Track Hub Hinterradnabe color:schwarz-poliert Izumi track chains are used

Izumi track chains are used by the world's best track and keirin drivers as Izumi chains ensure extreme pulling ability and quality

silky-smooth running

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Halo Double Fix-G Track Hub Hinterradnabe color:schwarz-poliert Izumi track chains are usedHalo Double Fix G Track Hub rear hub A common problem with conventional fixed hubs is the thread, which is stressed in both directions by the pedal force. The lock ring prevents the pinion from loosening, but any movement of the pinion permanently damages the thread. Halo has a better solution here: a slotted cassette body onto which the sprockets are placed and an independent locking ring that never has to absorb the rotational forces of the drive.