Specifications for SRAM X-SYNC™ STEEL Chainrings

Middle 104pcd Slickshift
Middleburn Middle chainrings have been revised and updated with a new tooth profile to be 9 and 10 speed compatible. The rings are available in a range of sizes.

The 90ID 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

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.

Shimano XTR Single chainring for XTR M9000 / 9020  SM-CRM90

• Dynamic Chain Engagement (DCE) is used to hold the chain and help prevent chain jump out. This is achieved by using a broader and taller tooth profile in conjunction with a special hooked leading edge. This all aids holding the chain firmly on uneven terrain while keeping chain noise and drag to a minimum and increases durability
• Hollow gear construction for optimized rigidity, lightweight and durability
• Durable teeth using a Stainless steel construction supported by a carbon and alloy carrier body on 36T/34T, alloy carrier body on 32T/30T
• Dyna-Sys11 HG-X11 11-speed chain compatible
• Available in 30T/32T/34T/36T

Shimano SLX Single chainring for SLX M7000 SM-CRM70 

• Dynamic Chain Engagement (DCE) is used to hold the chain and help prevent chain jump out. This is achieved by using a broader and taller tooth profile in conjunction with a special hooked leading edge and alternate profiled tooth shaping. This provides superior chain retention, lower driving sound, increased durability and drag to a minimum
• Durable teeth using a plated steel construction supported by a composite carrier body
• Dyna-Sys11 HG-X11 11-speed chain compatible
• Available in 30T/32T/34T

Shimano XT Single chainring for XT M8000 SM-CRM81 

• Dynamic Chain Engagement (DCE) is used to hold the chain and help prevent chain jump out. This is achieved by using a broader and taller tooth profile in conjunction with a special hooked leading edge and alternate profiled tooth shaping. This provides superior chain retention, lower driving sound, increased durability and drag to a minimum
• Hollow gear construction for optimized rigidity, lightweight and durability
• Durable teeth using a plated steel construction supported by a carbon composite (CFRP) carrier body
• Dyna-Sys11 HG-X11 11-speed chain compatible
• Available in 30T/32T/34T

The narrow/wide Oval chainring is designed to retain the chain without the need of a chain device

Quieter drivetrain and less drag

CNC machined 7075-T6 aluminium provides the perfect blend of lightweight and strength

Compatible with 9spd, 10spd and 11spd set-ups 

32 & 34 Teeth available

12% Ovality

113 deg Clocking

"Direct mount retainer ring designed specificlly for our chainset Saves weight without need for a seperate spider Able to run a broader range of smaller chainring sizes The narrow/wide chainring is designed to retain the chain without the need of a chain device Quieter drivetrain and less drag CNC machined 7075-T6 aluminium provides the perfect blend of lightweight and strength Compatible with 9spd, 10spd and 11spd set-ups

Perfect set-up with single speed, 1x9, 1x10, 1x11 and 1x12 drivetrains

• CNC machined 7075-T6 aluminium provides the perfect blend of lightweight and strength
• Available in 104mm PCD, 4 bolt pattern
• Designed for single ring use- suitable for XC, Trail, AM and Enduro
• Designed to be used alongside Hope's range of chain guides  
• Hard anodised finish makes them ultra durable and increases longevity
• Weight from: 33g