SRAM RED XPLR AXS E1 – Precision Power Measurement and Lightweight Carbon Performance for Gravel Racing

Unlock your full potential on gravel with the SRAM RED XPLR AXS E1 DUB Wide 40T Power Meter Crankset.Engineered for riders who demand exceptional accuracy, efficiency and low weight, this premium crankset combines advanced power measurement technology with ultra-light hollow carbon crankarms and a versatile 40-tooth chainring.

Designed for SRAM RED XPLR AXS gravel drivetrains, the crankset features an integrated spider-based power meter that delivers accurate performance data during training, racing and long-distance adventures.

With power measurement accuracy of ±1.5% and left/right power balance analysis, riders can monitor their performance, optimise training intensity and manage effort across demanding terrain.

The redesigned hollow carbon crankarms are 29 grams lighter than the previous generation, delivering an outstanding stiffness-to-weight ratio and efficient power transfer.

The 40T chainring provides an excellent balance between climbing capability and high-speed efficiency, making it particularly suitable for technical gravel routes, rolling terrain and demanding endurance events.

Featuring SRAM's DUB Wide spindle design, the crankset offers the chainline and bottom bracket compatibility required for modern gravel bikes.

Available in four crank lengths – 165 mm, 170 mm, 172.5 mm and 175 mm – it allows riders to select the ideal configuration for their bike fit and riding preferences.

Key Features & Benefits

• Integrated Spider-Based Power Meter – Provides accurate power measurements for structured training, performance analysis and competitive gravel racing.

• ±1.5% Power Accuracy – Delivers reliable power data with minimal influence from changing weather conditions.

• Left/Right Power Balance – Measures the contribution of each leg to total power output, helping riders better understand their pedalling performance.

• Ultra-Light Hollow Carbon Crankarms – Premium carbon construction combines excellent stiffness, reduced weight and efficient power transfer.

• 29 g Lighter Crankarm Design – Updated SRAM RED construction reduces weight compared with the previous generation.

• 40T Gravel Chainring – Versatile gearing for steep climbs, technical gravel sections and fast endurance riding.

• Replaceable Thread Mount Chainring – Innovative mounting system allows chainring replacement without replacing the complete power meter.

• DUB Wide Spindle Technology – Provides a durable, reliable crank interface and the appropriate chainline for compatible gravel frames.

• Long Battery Life – User-replaceable CR2032 battery delivers up to 200 hours of operation.

• IPX7 Waterproof Protection – Designed to withstand rain, mud and challenging riding conditions.

• SRAM AXS Connectivity – Integrates with compatible cycling computers and the SRAM AXS ecosystem for convenient performance monitoring.

• Four Crank Length Options – Available in 165 mm, 170 mm, 172.5 mm and 175 mm.

• Natural Carbon Finish – Premium carbon appearance complements high-performance gravel racing bikes.

Engineered for Every Watt and Every Gravel Challenge

Competitive gravel riding demands reliable equipment and precise performance data. From explosive accelerations and steep climbs to long endurance races, the SRAM RED XPLR AXS E1 Power Meter Crankset provides the information needed to maintain efficient power output.

Its advanced spider-based power meter measures total power and left/right leg balance, helping riders analyse their pedalling efficiency and make informed pacing decisions.

The lightweight hollow carbon crankarms deliver responsive power transfer while reducing unnecessary weight, making them ideal for demanding gravel racing.

The 40-tooth chainring offers a versatile gearing solution for riders who prioritise climbing efficiency and control on challenging terrain without sacrificing high-speed capability.

With replaceable Thread Mount chainrings, long battery life and waterproof construction, this crankset is designed to deliver dependable performance season after season.

SRAM RED XPLR AXS E1 – Precision power measurement, lightweight carbon engineering and uncompromising gravel performance.