WTB ST i30 Rear Wheels Options:Shimano SLX / WTB ST i30 Rear Wheel - 27.5", 12 x 148mm, Center-Lock, Micro Spline, Black, 32H Internal Hydroguard membrane keeps feet

Internal Hydroguard membrane keeps feet dry through puddles

Self-sealing Heart Valve™ delivers a high rate of flow with a 100% leak-proof design

Specialized’s Ride Dynamics team reduced inefficient pedal-induced bobbing by 20%

The Turbo Full Power system senses the force you apply to the pedals and naturally amplifies your effort by up to four times for an experience that makes getting up any hill or to any destination no sweat

the comfortable fit and stiff sole provide maximum pedal efficiency and power transfer

WTB ST i30 Rear Wheels Options:Shimano SLX / WTB ST i30 Rear Wheel - 27.5", 12 x 148mm, Center-Lock, Micro Spline, Black, 32H Internal Hydroguard membrane keeps feetWTB's ST Light rim offers great value and performance for modern mountain bike wheels; compatible widths offer the optimal setup and performance with today's trail and enduro tires. WTB ST rims create an affordable solution to tubeless setups for mountain biking. UST compliant bead hooks border a tape and sealant driven inner rim profile, providing standards based, repeated tubeless consistency