Box One Quantum Drivers

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Note: Ships in 1-2 business days. Delivery time depends on the shipping method chosen at checkout. Each Quantum driver is a complete one-piece Chromoly driver supported by three la rge roller bearings. Six pawls, each with two teeth, engage a 60-tooth ratchet ring for just 6 degrees of engagement. Designed for use with Box Quantum hubs only. Features: 6 [Twin Tooth] Pawls 60 [6°] Points of Engagement Specifications: Material: Chromoly Steel Process: Cold-Forged & CNC Finish: ED Black Size: Diameter/Weight: 14T / 196g; 15T / 192g; 16T / 198g; 17T / 203g; 18T / 207g Compatibility: Fits Box® Quantum Hubs Only Chain: 1/8" or 3/32" Tool: Park Tools™ FR-6 or installation tool with four notches 32mm ID, 40mm OD Show more