Box Three 1×9 Prime 9 Single-Shift Cycling Groupset Mountain E-Bike Matte Black, 9 Speed 1x Drivetrain Shifter, Rear Derailleur, Freehub Bike Cassette, Chain | Box Components

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Amazon Price: $139.74 (as of November 12, 2025 3:32 am – Details). Product prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on the Amazon site at the time of purchase will apply to the purchase of this product.
  • Brand: Box
  • Manufacturer: Box

Features

  • ✅ INCLUDED COMPONENTS: Enhance your cycling game with the complete Box Three Prime 9 set. Single Shift Shifter, X-Wide Rear Derailleur, E-Bike Cassettes are accessible at 12-50T and 126 Link Chain Polished. Impeccable durability, and a polished finish for the ultimate cycling experience.
  • ✅ SHIFTER: Crafted with a Stainless Steel Braided Cable for unparalleled durability, this Bicycle Shifter boasts a 2-Piece Pull Lever and a Single Shift per Swing, guaranteeing E-Bike safety. The Extruded Clamp and Resin Top Shell ensure a firm grip and a reliable experience.
  • ✅ REAR DERAILLEUR: Conquer light to medium terrains effortlessly with our versatile Prime 9 Speed Derailleur. Limited Slip Clutch ensures smooth performance, Bearing Pulleys reduce friction, and Nylon Composite Knuckle adds lightweight resilience. Direct Channel Cable Stay and Die Cast Linkages, compatible with Traditional Derailleur Hangers, make it the ultimate choice for versatile riders.
  • ✅ CASSETTE: Transform your cycling experience with our E-bike optimized Tooth Prime 9 Speed Cassette! Built with precision, the Steel Stamped Cogs and Spiders deliver an Ultra-Wide Ratio with Consistent Progression. The ED Black Protection ensures longevity, and compatibility with HG Freehub Bodies guarantees a seamless integration into your setup.
  • ✅ CHAIN: Unlock your ride’s potential with our All-Rounder Bicycle Chain. Boasting Polished & Treated Protection, it’s not just a link, but a key to enduring performance. Durable Hardened Solid Pins, compatibility with Wide/Narrow Chainrings, and the included Connecting Link ensure reliability. Hit the road with confidence, effortless installation awaits.

Manufacturer Info

  • PartNumber: BX-DT3-P9ASXW-KIT
  • Model: BX-DT3-P9ASXW-KIT
  • Warranty: Limited Lifetime

Product Info

  • Color: Black
  • Size: 12-50T X-Wide Single Shift E-Bike Groupset
  • NumberOfItems: 1

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