Description
The Box Three Prime 9 cassette is an outstanding all-round choice. All cogs are made from stamped steel, and the larger ones are attached to alloy spiders. It also has weight-reducing holes on the cogs. If you're seeking a heavy-duty, long-lasting, and smooth cassette, Box has reimagined its prime 9 system to meet the needs of e-bike riders.
Features:
- Designed for eBike use
- Offers an ultra-wide ratio with consistent progressions
- Prime 9 technology provides the same range as a 12-speed drivetrain with fewer gears to shift
- Fewer parts, less weight, and more durability
- Cogs are pinned to lightweight spiders
- Built with a standard freehub body (HG)
Specs:
- Speeds - 9
- Range - 12/46
- Gearing - 12, 14, 16, 18, 22, 28, 34, 40, 46



Using this Box Three Prime Ebike 9 - Speed Cassette is easy. Just install it on your e - bike's standard freehub body (HG). When riding, shift gears smoothly to adapt to different terrains. Remember, since it's designed for e - bikes, it can handle more power. As for maintenance, regularly clean the cassette with a mild degreaser and a brush to remove dirt and grime. Check the cogs for any signs of wear or damage, especially after long rides. If you notice any issues, replace the worn parts promptly. Also, keep it dry to prevent rusting.