Aspero GRX RX815 DI2

Aspero GRX RX815 DI2 cassette delivers smooth, precise shifting across gravel and road terrain. Electronic Shimano Di2 actuation ensures crisp gear changes in any condition—mud, dust, or wet trails. Wide gear range tackles steep climbs and fast descents with confidence. Durable steel construction withstands demanding off-road use. Compatible with Shimano GRX drivetrains for seamless integration into your gravel setup.