Challenge Strada Pro Tubeless Tire Front Hydration Systems The new Shimano Di2 BT-DN300

The new Shimano Di2 BT-DN300 battery features the same waterproof design that Di2 users have loved for generations

5 5/3 - 5/6 157 - 167 118 - 134 54 - 61 M 28 - 30 71-5 - 76

which increases clearance between chain and leading teeth to provide compatibility with frames with O

without adding water

Midsole Foam

Challenge Strada Pro Tubeless Tire Front Hydration Systems The new Shimano Di2 BT-DN300The Most Supple Tubeless Road Tires On The Market The Challenge Strada Pro tires are inspired by the dusty cobbles of the Paris Roubaix and the uneven streets of Italy where they are made. The Strada is undoubtedly the best option for riders who may not know what the road ahead looks like. With their supple tire casing and tubeless technology, you can bust through the worst roads with confidence while still maintaining high speeds on the tarmac. The