Unique external slack adjustment feature can be adjusted without removing the wheel 14mm non-drive side axle bolt and 3/8` drive side bolt with built-in 14mm adapater Oversized 4130 Chromoly female axle Super-durable bearing arrangement Maximum strength axle design Removable plastic hub guard included RR 1s w9t Driver 36H B/O 14mm - RHD Blk 640g CB 110mm 49 56mm 27.5 27.5UPC/EAN/GTIN: 630950912711