142×12 Dropout Inserts
Sold as a pair, axle not included.
These dropouts are only compatible with the Sirius 3G R853 and Skookum R853 and replace the 135mm QR dropouts which came with the frame.
Using your existing hardware the dropouts facilitate the use of 142×12 bolted rear axles.
These will not fit on the Sirius 4G.
Dropouts are designed for M12 x P1.75 M-Axle (SRAM/Rockshox axle).
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