and this would be the label

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dual 15mm size

If you happen to live semi close

SRAM GX Eagle Fat Bike Crankset - 170mm 12-Speed 30t Direct Mount DUB Spindle Interface For 170mm Rear Spacing Lunar Alien Rides and this would be theThe SRAM GX Eagle DUB Fat Bike crankset delivers consistent performance every time out. Now featuring SRAM's DUB technology this design simplifies the relationship of the spindle to the bottom bracket. Optimized 7000 series forged aluminum arms support the X SYNC 2 chainring to provide complete chain control. Now everyone can benefit from a new measure of durability. SRAM DUB technology creates a lighter stiffer and stronger crankset Optimized 7000