Rival 1x XPLR E1

The SRAM Rival 1x XPLR E1 crankset delivers wide‑range compatibility for modern gravel and adventure bikes. Its DUB Wide spindle accommodates both road and MTB bottom‑bracket widths, making it one of the most versatile crank options across brands and frame standards. With a wide chainline for Full Mount rear derailleurs and a direct‑mount 8‑bolt chainring interface, it’s built for smooth, reliable 1x performance on mixed terrain.

• Wide chainline for Full Mount rear derailleur compatibility

• Longer DUB Wide spindle fits both road and MTB width bottom brackets

• Compatible with 135, 142, and Boost rear spacing

• Direct‑mount SRAM 8‑bolt interface

• 42‑tooth chainring

• Aluminum crank arms

• DUB spindle diameter 28.99 mm

• Road drivetrain spacing

• 9/16" pedal thread

• Available crank lengths: 160, 165, 170, 172.5, 175 mm

• SRAM Model ID FC‑RIV‑1W‑E1

• Black finish