The first 1x13 group from SRAM: this is the RED XPLR AXS for gravel

It was an open secret and SRAM has just officially presented it. Their new SRAM RED XPLR AXS group for gravel is the brand's first 1X13 transmission and to develop it they have combined all their experience and technology in road and MTB.

New 1x13 transmission SRAM RED XPLR AXS for gravel

A few months ago this group was already seen on some of the bikes that competed in the past Unbound Gravel and finally we have all the information about it.

The SRAM RED XPLR AXS 1x13 is the latest from SRAM for gravel, although it combines MTB technology, such as direct mounting to the frame or components from the also recently presented SRAM RED AXS for road, such as shifters, brakes or the chain itself.

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SRAM ensures that the RED XPLR AXS has been designed to offer cyclists the perfect combination of precision and durability. Its 13-speed 10-46D ratio guarantees perfect development in any situation with precise shifting and tight jumps. Much of that precision is due to the Full Mount derailleur, directly anchored to frames with the UDH system, dispensing with the derailleur hanger.

Also, like its counterpart on the road, since they are the same brakes, the new RED XPLR AXS offers the possibility of braking with just one finger and a significant weight reduction.

Here are the components of the group, one by one.

RED XPLR AXS Rear Derailleur

The RED XPLR AXS rear derailleur has been designed to withstand everything, from any impact with rocks, falls or, why not, plane transfers. The Full Mount design without a hanger is compatible with UDH frames and ensures to offer the most robust and reliable gravel transmission possible. Without adjustment screws, installation is easier than ever, and the Magic Wheel keeps the chain moving, even if debris enters the lower pulley.

• Single plate specific for use with 10-46T XPLR 13-speed cassette and road Flattop chains
• Hangerless interface and Full Mount attachment allow for the most precise gear changes and maximum impact resistance
• Requires frame with UDH interface
• Simple configuration without adjustment screws
• Superior chain management with MTB-inspired clutch
• Replaceable parts
• Magic Wheel keeps the chain moving, even if debris enters the lower pulley
• Compatible with existing AXS batteries
• Price: 785€

RED XPLR XG-1391 Cassette

The RED XPLR XG-1391 13-speed cassette provides the necessary development for facing the toughest climbs and fastest rides. It weighs 288 g and ensures optimized shifting in each cog.

• 460% range 
• For XPLR 1x 13-speed rear derailleurs
• 288 g
• Compatible with all Flattop road chains
• Compatible with XDR core
• Price: 675€

RED XPLR AXS Power Meter

The new RED XPLR AXS power meter has an accuracy of +/-1.5%, regardless of the weather. It offers Thread Mount removable chainrings and a lightweight design.

• Totally new design with Thread Mount removable chainrings, available in 38D-46D
• Power readings have an accuracy of +/-1.5% and are not affected by weather conditions during a ride
• User-replaceable CR2032 battery with a 200-hour duration
• Measures power balance of right and left leg
• Hollow carbon fiber cranks weigh 29 grams less than the previous generation
• DUB bottom bracket adds strength and simplicity
• Waterproof (IPX7 waterproof up to 1 meter for 30 minutes)
• Available in lengths of 160, 165, 167.5, 170, 172.5, and 175 mm

RED XPLR Crankset

The RED XPLR crankset maximizes space for tires and is equipped with hollow carbon arms and Direct Mount 1x chainrings. Now available in 160 mm length to suit all cyclists.

• Single plate transmission simplifies operation and reduces weight
• Non-aerodynamic Direct Mount chainrings from 38D to 46D can be changed with a single tool
• SRAM X-SYNC, variable width tooth technology that provides maximum chain control
• Extremely lightweight hollow carbon fiber cranks
• DUB bottom bracket adds strength and simplicity
• Power meter can be added
• Available in lengths of 160, 165, 167.5, 170, 172.5, and 175 mm
• Crankset price: 730€

RED XPLR AXS Spider Power Meter

The RED AXS spider power meter uses a threaded chainring mounting system. It is lightweight, rigid, and precise, offering an accuracy of +/-1.5% even under adverse weather conditions

• Thread Mount design is lightweight, rigid, and precise, and is available in 38D-46D
• Accuracy +/- 1.5%
• User-replaceable CR2032 battery with a 200-hour duration
• Low-energy Bluetooth data transmission technology and ANT+ wireless
• MagicZero: automatically checks and recalibrates your power meter while pedaling
• No cadence magnet required
• 10K temperature compensation
• Waterproof (IPX7 waterproof up to 1 meter for 30 minutes)
• AXS enabled for easy data monitoring and firmware updates
• Price: 560€

RED XPLR X-SYNC Threaded Chainrings

Designed to be used with the new RED XPLR AXS power meter, these chainrings are specifically manufactured for the threaded design, allowing for weight reduction and increased stiffness and precision.

• Threaded mounting is lightweight, rigid, and precise.
• Available in 38D, 40D, 42D, 44D, and 46D.
• Compatible with all Flattop road chains.
• Requires SRAM Thread Mount chainring removal tool for installation.

You can find more information about the new RED XPLR AXS group directly on the SRAM website.