The SRAM GX Eagle DUB Boost Crankset is designed for tackling any terrain you may encounter when riding a mountain bike. It has been fine tuned to deliver consistent performance every time you are out on the bike. GX Eagle DUB also provides outstanding power transfer and durability due to the highly advanced DUB bottom bracket system. Plus with X-Sync 2 chainring with its carefully engineered tooth profile, you’ll enjoy exceptional chain control and pedalling performance.