ATB Chainrings
Inner 74pcd
Middleburn inner chainrings are available in a range of sizes.
The sizes available are 24T, 26T and 28T
24T = CR1024 (BK) (SI) (HC)
26T = CR1026 (BK) (SI) (HC)
28T = CR1028 (BK) (SI) (HC)
For full product codes add the finish colour after the code, for example: CR1024BK for 24T black.
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Middle 110pcd standard
Middleburn Middle chainrings are available in a range of sizes.
Standard means the chainring has no ramps or pins.
The sizes available are 34T, 36T, 38 and 40T
34T = CR1034 (BK) (SI) (HC)
36T = CR1036 (BK) (SI) (HC)
38T = CR1038 (BK) (SI) (HC)
40T = CR1040 (BK) (SI) (HC)
For full product codes add the finish colour after the code, for example: CR1034BK for 34T black.
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Middle 110pcd 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 36T only
36T = CR7136 (BK) (SI) (HC)
For full product codes add the finish colour after the code, for example: CR7136BK for 36T black.
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Outer 110pcd standard
Middleburn Outer chainrings are available in a range of sizes.
Standard means the chainring has no ramps or pins.
The sizes available are 46T, 48T, 50T and 52T
46T = CR1046 (BK) (SI) (HC)
48T = CR1048 (BK) (SI) (HC)
50T = CR1050 (BK) (SI) (HC)
52T = CR1052 (BK) (SI) (HC)
For full product codes add the finish colour after the code, for example: CR1046BK for 46T black.
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Outer 110cd Slickshift
Middleburn Middle chainrings are available in a range of sizes.
The sizes available are 46T and 52T
Slickshift means the chainring has ramps and pins to aid shifting.
46T = CR7146 (BK) (SI) (HC)
52T = CR7152 (BK) (SI) (HC)
For full product codes add the finish colour after the code, for example: CR7146BK for 46T black.
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Black = BK
Silver = SI
Hardcoat = HC
Red = RE
Blue = BL