BLACKseries chainrings have special teeth that prevent the chain from jumping off. The principle follows that of the SRAM XX1 chainrings. In conjunction with a SRAM Type2 / 3 or Shimano Shadow + rear derailleur, which have a greatly increased cage preload, the chain is reliably held in position even without a chain guide.
about BLACKseries
BLACKseries is a sister company of absoluteBLACK Ltd. It was founded out of the desire to be able to offer an alternative to the ultra-modern products from absoluteBLACK.
BLACKseries products use the same raw materials, manufacturing processes, quality controls and tooth profiling as absoluteBLACK. The difference lies in the overall industrial design, which saves a lot of time for CNC machining and thus makes the products more attractively priced for the end customer.Technical specifications:
Material: 7075 Txxx aluminum
Technology: Narrow Wide
bolt circle diameter : 104 mm (standard)
Attachment: 4-arm spider
Number of teeth: 32 or 34 teeth
Compatibility cranks : all cranks with 104 mm bolt circle diameter (Shimano XT / Zee / Deore / SLX / XTR, Race Face, FSA, E13)
Compatibility chain: 9-speed, 10-speed , 11-speed or single 11-speed
Mounting position: inside
chain line : depending on the crank used
Offset: standard
Adjustment options: none
Range (ovalization): –
Timing (force introduction): –
Red color
Weight weighed: 36g (32T)
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