IRD Polaris 1x 2x Crankset (38t DM, 42-26t w/Spider) w/BB
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Robust, versatile crankset not aimed at racers, but more at long distance touring and gravel riders and commuters. The Polaris has a SRAM Direct Mount 3-bolt interface for 1x chainrings. But this kit also includes a 110/74 BCD Direct Mount spider to suit those who wish to run double. The stock rings are 42-26t to gives you a big ring can you can use the majority of the time and a bail-out gear for the steeper grades. A 38t 1x chainring is also included in this kit.
– Cold forged aluminum crank arms
– Fits 3-bolt SRAM direct mount rings/spiders
– Chainline w/ 2x spider: 43.5mm
– Chainline w/ 1x chainring with 3mm offset: 46mm
– 24mm CrMo axle (Shimano Hollowtech style)
– BSA external bottom bracket cups with sealed cartridge bearings included
– Fits 68 or 73mm threaded BB shells (fits other standards with different bottom brackets)