NEW Quality Wheels Formula / WTB ST i23 Rear Wheel - 27.5", QR x 135mm, 6-Bolt, HG 10, Black, 32H brand_microshift e-tube is a two-prong system

e-tube is a two-prong system and is NOT cross compatible with Dura-Ace 7970 Di2 wiring

Great for all your 650b / 27

Maintenance free puncture proof tires

and works great alone with its built-in shoulder strap

but can accommodate a range of additional sizes of 27

NEW Quality Wheels Formula / WTB ST i23 Rear Wheel - 27.5", QR x 135mm, 6-Bolt, HG 10, Black, 32H brand_microshift e-tube is a two-prong systemBlending the versatility and performance of tubeless ready rims with a broad range of axle compatibility makes these wheels a great choice for service or upgrades options. Rims come tubeless taped but can also accommodate tubes and clincher tires without modification. Tubeless ready Rim Width (Internal): 23 Defined Color: Black Rear Axle: QR x 135mm Wheel Size: 27. 5" ISO Diameter: 584 650b 27. 5" Tire Type: Tubeless Ready Clincher Hub Brake