X-Lab Stealth Pocket 400xp Stock Item:XLab-USA Stealth Pocket 400xp - Black or more reliable

or more reliable

and M610 dérailleurs

while an EPS upper keeps weight low

Tapered aero design profile

Deore BR-M596

X-Lab Stealth Pocket 400xp Stock Item:XLab-USA Stealth Pocket 400xp - Black or more reliableFour easily accessible exterior pockets end the risk of dropping small vitals when they are needed most. Universal, top tube strap mounted storage. Optimized for bikes with angled stems or cables in top tube Fast access to small vitals that can make the big difference. Four outside pockets quickly stash salt, electrolytes, pain tablets or empty nutrition wrappers Stay stocked for the ride: Large inner storage capacity comfortably fits up to 6 gels