All Bikes
All Components
All Clothing
All Protection
All Accessories
All Workshop
All Outdoors
All Nutrition & Training
Box Two Prime 9 9-Speed Cassette Lockring
Select options to see availability
What the stock status means
- In stock On the shelf in our own warehouse. Order before 2pm and it is despatched the same working day; bikes we build are built, safety-checked and despatched in 2-3 working days.
- In stock with our supplier Not on our shelves, but our supplier has it or it is already on its way to us. We bring it in as soon as you order, and the despatch estimate shown allows for that.
- Out of stock Neither we nor our supplier has it right now. Where a date is shown, more is on order and you can order now to secure one from that delivery.
- Stock to be confirmed Not on our shelves, and our supplier does not send us stock figures for it, so we cannot say how soon we could get one. Use "Check availability" and we will ask them and email you back.
Seen it cheaper? Ask us to price match
Attributes
| Colour | Black |
|---|
In-stock items ordered before 2pm are dispatched the same day. Free delivery over £50.
Thirty-day returns, free from any UK address.
About Box Components
Led by BMX & downhill mountain bike racing legend Toby Henderson, BOX Components uses “design thinking” to create the finest BMX and MTB bike parts. Box Components has a combined history of 30 years of designing bike parts & 75 years racing.
Shop all Box ComponentsDetails
Lockring & Cogs replacement for Box Two Prime 9 cassettes.
Technology
Prime 9
Prime 9 technology is a counter-intuitive philosophy based on the less is more theory. It embraces range wihtout adding complexity. The outcome is fewer parts, reduced weight, and increased durability.
Is Prime 9 Simpler?
- Same Range With Fewer Gears
- Ease of Set-up
- Wide Compatibility
- Less Maintenance
- Don’t Worry, All Bike Shops Are Familiar With 9-Speed Platforms!
Is Prime 9 More Durable?
- Straighter Chain-line
- Unique 9-Speed Chain
- Single Shift Option (E-MTB)
- Fewer Gears (Fewer shifts)
- Full Steel Cassette (All tiers)
Does Prime 9 Perform Better?
- Shifting Less Means Faster Riding
- Optimised Shift Ramps
- Consistent Gear Jumps
- Lightweight Cassette
