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The new standard's standard.
There's no denying the superiority of the 12x142mm rear thru-axle system for nearly any type of riding. If you're running a Shimano M988 (XTR) or M788 (XT) rear hub and you happen to lose or break your proprietary E-Thru Axle, however, this is what you'll need to get things rolling again. Please note that Shimano does not recommend this axle for use with Saint (M820/M825/M828) or ZEE (M640/645/648) rear hubs.
- Item #SHI004Y