Front 29” AlexRims MD21 / Formula DC-20 Shimano Di2 it۪s a popular choice for

it۪s a popular choice for off-road cyclists who are faced with muddy conditions

Ventilated expandable zone to accommodate a variety of feet widths and prevent numbness

the SPD trail pedals deliver enhanced stability over rough terrain

For hubs with axle skewer attachment 142×12mm: various DT Swiss and Shimano

Front 29” AlexRims MD21 / Formula DC-20 Shimano Di2 it۪s a popular choice forAlex MD21 disc specific double wall 29er 700c rim, Black Formula DC 20 DC 22 hubs Suitable for Cross Country, light Trail riding, CX and Road Disc Tubeless Ready Inner rim width: 21mm Outer rim width: 26mm Rim height: 18 mm Rim weight: 500g With eyelets Schrader Valve 32 holes Sapim Leader Stainless spokes Black