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⚠️ Under Construction — Prices May Vary · info@sotocycles.com ⚠️
🚲 FREE Bike Fitting with new bike 🚚 $20 Local Delivery ⚡ Same-Day Minor Repairs 📦 FREE Ship over $3,500 💳 Financing from $41/mo with Affirm — 0% APR available
📍 Not all inventory is at our Essex St location. When placing an order, please confirm if the item is 🏪 In Store or in one of our 📦 Warehouses using the flag next to the item's quantity.
BOX Three Prime 9 eBike Cassette - 9-Speed, 12-50t, Black
BOX

BOX Three Prime 9 eBike Cassette - 9-Speed, 12-50t, Black

MPN: BX-CS3-P9A1250-BK · UPC: 616043832852

$81.99
In Stock — Ships in 4-9 Days
📦 Ships from Warehouse — 4-9 Business Days
💳

Select Option: BOX Three Prime 9 eBike Cassette - 9-Speed, 12-50t, Black
1
🏪 Free pickup: 26 Essex St (Rear), Andover MA · 978-270-4895
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📦 Free Ship $3,500+
🚚 Local Delivery $20

The Box Three Prime 9 cassette is a great all-around cassette option. All cogs are stamped from steel and subsequently, the larger ones are pinned to alloy spiders. It also features weight-reducing holes on the cogs.

  • The Box Three Prime 9 offers ultra-wide ratio with consistent progressions
  • Prime 9 technology offers the same range as a 12-speed drivetrain, with fewer gears to shift through
  • Fewer parts, reduced weight, and increased durability
  • Cogs pinned to lightweight spiders
  • Constructed using a standard freehub body (HG)
  • Rated for eBike use
Range 12-50
Cogs 12-14-16-18-22-28-34-42-50
Cassette Body Type Shimano HG
Drivetrain Speeds 9
Color Black
Designed for ebike Yes
Defined Color Black

Bike Size Guide

Size Rider Height Inseam
XS / 47-49cm 5'0" – 5'3" 27" – 29"
S / 51-52cm 5'3" – 5'6" 29" – 31"
M / 54-55cm 5'6" – 5'9" 31" – 33"
L / 56-58cm 5'9" – 6'0" 33" – 35"
XL / 59-61cm 6'0" – 6'3" 35" – 37"
💡 This is a general guide. SOTO Cycles offers FREE basic bike fitting with every new bike purchased and picked up locally — we'll make sure your bike fits perfectly.
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BOX Three Prime 9 eBike Cassette - 9-Speed, 12-50t, Black
$81.99
In Stock — Ships in 4-9 Days