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4 arm cd atb xtr duo

Compact Drive Chainrings (CD)

Inner 58pcd
Middleburn inner chainrings are available in a range of sizes.
The sizes available are 20T, 22T, 24T and 26T
20T = CR4020 (BK) (SI) (HC) (BL) (RE)
22T = CR4022 (BK) (SI) (HC) (BL) (RE)
24T = CR4024 (BK) (SI) (HC)
26T = CR4026 (BK) (SI) (HC)
For full product codes add the finish colour after the code, for example: CR4022BK for 22T black.



Middle 94pcd standard
Middleburn Middle chainrings are available in a range of sizes.
Standard means the chainring has no ramps or pins.
The sizes available are 30T, 32T, 34T and 36T
30T = CR4030 (BK) (SI) (HC)
32T = CR4032 (BK) (SI) (HC) (BL) (RE)
34T = CR4034 (BK) (SI) (HC)
36T = CR4036 (BK) (SI) (HC)
For full product codes add the finish colour after the code, for example: CR4032BK for 32T black.



Middle 94pcd Slickshift
Middleburn Middle chainrings are available in a range of sizes.
Slickshift means the chainring has ramps and pins to aid shifting.
The sizes available are 30T 32T, 34T and 36T
30T = CR7430 (BK) (SI) (HC)
32T = CR7432 (BK) (SI) (HC) (BL) (RE)
34T = CR7434 (BK) (SI) (HC)
36T = CR7436 (BK) (SI) (HC)
For full product codes add the finish colour after the code, for example: CR7432BK for 32T black.



Outer 94pcd standard
Middleburn Outer chainrings are available in a range of sizes.
Standard means the chainring has no ramps or pins.
The sizes available are 40T, 42T, 44T, 46T and 48T
40T = CR4040 (BK) (SI) (HC)
42T = CR4042 (BK) (SI) (HC)
44T = CR4044 (BK) (SI) (HC) (BL) (RE)
46T = CR4046 (BK) (SI) (HC)
48T = CR4048 (BK) (SI) (HC)
For full product codes add the finish colour after the code, for example: CR4044BK for 44T black.



Outer 94pcd Slickshift
Middleburn Middle chainrings are available in a range of sizes.
The sizes available are 40T, 42T, 44T and 46T
Slickshift means the chainring has ramps and pins to aid shifting.
40T = CR7440 (BK) (SI) (HC)
42T = CR7442 (BK) (SI) (HC)
44T = CR7444 (BK) (SI) (HC) (BL) (RE)
46T = CR7446 (BK) (SI) (HC)
For full product codes add the finish colour after the code, for example: CR7444BK for 44T black.



Black = BK
Silver = SI
Hardcoat = HC
Red = RE
Blue = BL