Middleburn RS8 Uno is the latest version of our Uno the RS7 version has been tried and tested for many years by thouusands of single speed riders.
More recently the Uno rings have been used on downhill and enduro bikes as a light reliable system as it replace the spider, ring and bolts with just the Uno.

Spider/Ring has been CNC machined from a billet 7075T6 one of the strongest alloys available today for unsurpassed durability.

CHAINLINE: 50mm

Please note due the manufacturing processes and changes with BETD / Middleburn the colour may not be as pictured

Inner 64pcd 4arm
Middleburn inner chainrings have been revised and updated with a new tooth profile to be 8,9 and 10 speed compatible. The rings are available in a range of sizes.

Middleburn 4-ARM triple rings
have been designed for the best combination of performance and durabillity

8 / 9 / 10 speed compatible

Featuring our Hardcoat technology.
The middleburn rings have been CNC machined for maximum weight savings.

CNC machined from 7075T6, one of the strongest alloys available today for unsurpassed durability.
 
 
Rings in a range of anodised finishes and our Hardcoat finish.

Middle 104pcd 88ID Slickshift

Middleburn Middle chainrings have been revised and updated with a new tooth profile to be 8,9 and 10 speed compatible. The rings are available in a range of sizes.

The 88ID is the diameter of the shoulder on the spider that the chainring sits on to.

Slickshift means the chainring has ramps and pins to aid shifting.

Middleburn 4-ARM triple rings
have been designed for the best combination of performance and durabillity

8 / 9 / 10 speed compatible

Featuring our Slickshift and Hardcoat technology.
The middleburn rings have been CNC machined for maximum weight savings.

CNC machined from 7075T6, one of the strongest alloys available today for unsurpassed durability.
 
Rings feature our Slickshift technology with hard wearing steel shift pins for excellent shifting.
 
Rings in a range of anodised finishes and our Hardcoat finish.

These also fit XTR 970

Middleburn MONO 4-ARM  rings
have been designed for the best combination of performance and durability, made from 5mm thick material for increased stiffness.

Perferct for single speed or single ring geared.
1 / 8 / 9 / 10 / 11 speed compatible.

The Middleburn MONO rings have been CNC machined for maximum strength.

CNC machined from 7075T6, one of the strongest alloys available today for unsurpassed durability. 

Use with long Middleburn bolts is using a Single Mono / Rohloff Spider

Rings in a range of anodised finishes and our Hardcoat finish.

Middleburn 4-ARM Duo rings
have been designed for the best combination of performance and durabillity

8 / 9 / 10 speed compatible

Featuring our Slickshift and Hardcoat technology.

The middleburn rings have been CNC machined for maximum weight savings.

CNC machined from 7075T6, one of the strongest alloys available today for unsurpassed durability. 

Rings feature our Slickshift technology with hard wearing steel shift pins for excellent shifting.  

Rings coated in our Hardcoat finish.

Middleburn 4-ARM Duo rings
have been designed for the best combination of performance and durabillity

8 / 9 / 10 speed compatible

Featuring our Slickshift and Hardcoat technology.

The middleburn rings have been CNC machined for maximum weight savings.

CNC machined from 7075T6, one of the strongest alloys available today for unsurpassed durability. 

Rings feature our Slickshift technology with hard wearing steel shift pins for excellent shifting.  

Rings coated in our Hardcoat finish.

Middleburn 4-ARM Duo rings
have been designed for the best combination of performance and durabillity

8 / 9 / 10 speed compatible

Featuring our Hardcoat technology.

The middleburn rings have been CNC machined for maximum weight savings

CNC machined from 7075T6, one of the strongest alloys available today for unsurpassed durability. 

Rings coated in our Hardcoat finish.

Middleburn 4-ARM triple rings
have been designed for the best combination of performance and durabillity

8 / 9 / 10 speed compatible

Featuring our Slickshift and Hardcoat technology.

The middleburn rings have been CNC machined for maximum weight savings.

CNC machined from 7075T6, one of the strongest alloys available today for unsurpassed durability.
 
Rings feature our Slickshift technology with hard wearing steel shift pins for excellent shifting.
 
Rings in a range of anodised finishes and our Hardcoat finish.

The 4mm is the thickness of the chainring. Traditionally 4-ARM cranksets have used the same offset on the outer ring and this is the most commonly used, later Shimano cranks use 5mm.
Slickshift means the chainring has ramps and pins to aid shifting.

Middleburn 4-ARM triple rings
have been designed for the best combination of performance and durabillity

8 / 9 / 10 speed compatible

Featuring our Slickshift and Hardcoat technology.

The middleburn rings have been CNC machined for maximum weight savings.

CNC machined from 7075T6, one of the strongest alloys available today for unsurpassed durability.
 
Rings feature our Slickshift technology with hard wearing steel shift pins for excellent shifting.
 
Rings in a range of anodised finishes and our Hardcoat finish.

The 5mm is the thickness of the chainring; later Shimano cranks have a different offset.
Slickshift means the chainring has ramps and pins to aid shifting.

Our Middleburn XTR Rings have been designed for optimal performance, featuring our  Hardcoat technology.

The middleburn rings have been machine sculpted for maximum weight savings.

CNC machined from 7075T6, one of the strongest alloys available today for unsurpassed durability. 

The inner ring has the same PCD as a standard 4-ARM inner but the offset is different (you can only fit the XTR one)