SRAM RED 1 D1 DUB Aero Crank Set 50 Teeth black

Triathlon. Time Trial. Cyclocross. Some disciplines are made for 1x. And while SRAMs X-Range 2x set up has integrated much of the simplicity of a 1x system, there are still times when a single ring is best. The SRAM RED 1 crankset offers the most demanding racers the right mix of features—aerodynamics, durability and simplicity.

X-Sync
X-Sync 1x chainrings from SRAM ensure maximum performance and durability. The long SRAM X-Sync tooth edges grip the chain earlier than traditional triangular teeth. The sharp and narrow tooth profile as well as the rounded bevel edges support the chain guide. To provide the best possible performance even in muddy terrain, the X-Sync chainrings have recesses to remove dirt and mud from the inner chain links and rollers.

DUB 
The new SRAM DUB bottom bracket series has a simple job—connect your crankarms and protect the smooth, long-lasting application of power to your drivetrain. To allow that singular focus, SRAM engineered the DUB spindle to be the one true unifying component. One oversized spindle to work across every bottom bracket standard. For better crankarm compatibility. For better protection from the elements. For longer-lasting performance. To be stronger, smoother, simpler. Now, back to the ride.