SRAM Force XPLR AXS E1 13-Speed Rear Derailleur

Name: SRAM Force XPLR AXS E1 13-Speed Rear Derailleur
Brand: SRAM
SKU: RD-FRC-1E-E1
Price: 739.99 AUD
Availability: InStock

$739.99 AUD $812.90 AUD

Taxes included. Shipping calculated at checkout.

Why Force XPLR? The Derailleur combines precise wireless 13-speed shifting, impact-resistant Full Mount construction and dependable chain control, making it a high-value performance upgrade for Australian gravel racing, rough country roads and fast mixed-surface adventures.

Key SRAM Force XPLR AXS E1 Rear Derailleur Features

Hangerless Full Mount construction secures the derailleur around the rear axle for consistent alignment and improved impact resistance.
Dedicated 1x13 design works with the SRAM XPLR 10-46T cassette and compatible Road Flattop chains.
Straight parallelogram architecture helps prevent the derailleur’s normal travel from carrying the mechanism into the rear wheel.
Screw-free setup removes conventional high-limit, low-limit and B-gap adjustment procedures.
Replaceable and rebuildable components support long-term servicing and more practical repairs following minor damage.

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The SRAM Force XPLR AXS E1 Rear Derailleur is a gravel-specific electronic derailleur developed exclusively for SRAM’s modern 1x13 XPLR drivetrain. It requires a compatible UDH frame and attaches directly around the rear axle rather than using a conventional derailleur hanger.

Product type: Wireless electronic gravel rear derailleur
Drivetrain configuration: 1x only
Number of speeds: 13
Compatible cassette: SRAM XPLR 10-46T 13-speed
Maximum cassette sprocket: 46T
Smallest cassette sprocket: 10T
Cassette range: 460 per cent
Cassette freehub requirement: SRAM XDR
Shift actuation: Electronic wireless
Communication protocol: SRAM AXS
Mounting system: SRAM Full Mount
Frame requirement: UDH-compatible frame approved for hangerless Full Mount installation
Conventional derailleur hanger compatible: No
Conventional limit screws: No
B-gap adjustment screw: No
Compatible chain technology: SRAM Road Flattop D1 and Road Flattop E1
SRAM Eagle T-Type chain compatible: No
Cage material: Carbon and aluminium
Pulley bearing material: Steel
Chain-management system: High-tension spring clutch
Recommended chainring technology: SRAM X-SYNC
Colour: Unicorn Black with Laser Foil graphics
Power source: Removable SRAM AXS rechargeable battery
Battery included: No
AXS charger included: No
Compatible with existing SRAM AXS batteries: Yes
SRAM AXS app compatible: Yes
Firmware updates: Supported
Electronic micro-adjustment: Supported
Replaceable service components: Yes
Rebuildable construction: Yes
Approximate independently measured weight: 375 grams without battery
Intended use: Gravel racing, cyclocross, all-road riding and mixed-surface endurance cycling
Size designation: One size

Compatibility warning

The SRAM Force XPLR AXS E1 Rear Derailleur is designed around the matching SRAM XPLR 10-46T 13-speed cassette. It is not intended for the previous 12-speed 10-44T XPLR cassette, standard SRAM road cassettes, SRAM Eagle mountain bike cassettes or T-Type chains.

A bicycle fitted with a conventional UDH hanger is not automatically compatible. The frame itself must be approved for hangerless SRAM Full Mount installation.

Full Mount hangerless construction

The SRAM Force XPLR AXS E1 Rear Derailleur attaches to both sides of the frame’s rear dropout and is secured around the rear axle. Removing the conventional derailleur hanger creates a more direct and repeatable relationship between the derailleur, cassette and rear wheel.

Traditional derailleur hangers can bend slightly during a crash, transport incident or impact. Even a small alignment change can reduce shifting accuracy across a closely spaced cassette. Full Mount removes that variable and distributes impact forces around the axle and dropout structure.

This construction is particularly valuable on gravel bikes exposed to rocks, sticks, deep ruts, corrugated roads and rough transport. It does not make the derailleur indestructible, but it is designed to provide greater structural support and more consistent alignment than a lightweight road-style hanger system.

Straight parallelogram architecture

The derailleur moves along a controlled shift path developed specifically for the matching 13-speed cassette. When installed correctly, its normal range of movement cannot carry the derailleur into the rear wheel.

This reduces reliance on conventional limit screws and helps protect the wheel from adjustment-related overshifting. Correct wheel, axle, cassette and derailleur installation remain essential.

Screw-free setup

There are no conventional high-limit, low-limit or B-tension adjustment screws. The Full Mount interface and matched cassette establish the derailleur’s position, while SRAM’s installation sequence determines the remaining setup.

The design reduces the number of mechanical adjustments that can move or be set incorrectly. Correct chain selection, chain length and axle installation are still critical.

Electronic micro-adjustment remains available for fine-tuning shift indexing. It should not be used to compensate for incorrect assembly, a damaged frame interface or incompatible drivetrain parts.

SRAM AXS wireless shifting

SRAM AXS sends shift commands wirelessly from compatible controls to the derailleur. This eliminates mechanical gear-cable stretch, contaminated housing and cable-routing friction.

Carbon and aluminium cage

The derailleur cage combines carbon and aluminium to balance stiffness, weight, durability and replacement cost. This is a more practical construction than the full-carbon cage and ceramic bearings used on the premium SRAM RED XPLR version.

Steel pulley bearings

The pulley wheels use steel bearings, providing a dependable balance of smooth performance, durability and reasonable replacement cost. They are well suited to dusty Australian gravel conditions when cleaned regularly and protected from direct pressure washing.

Rebuildable construction

Selected derailleur components can be replaced rather than requiring the complete electronic derailleur to be discarded after normal wear or repairable damage.

Drivetrain compatibility

Drivetrain format: 1x13
Compatible cassette: SRAM XPLR 10-46T
Smallest sprocket: 10T
Largest sprocket: 46T
Total cassette range: 460 per cent
Required freehub standard: SRAM XDR
Compatible chain: SRAM Road Flattop D1 or E1
Mounting system: SRAM Full Mount
Required frame standard: UDH compatible
Front derailleur compatibility: None
Conventional derailleur hanger compatibility: None

Crank and chainstay compatibility

SRAM specifies different crank configurations according to chainstay length:

Frames with chainstays measuring 415mm or longer should use a compatible XPLR crankset and chainline.
Frames with chainstays measuring 414mm or shorter may use a compatible standard road crankset and chainline.

The Force XPLR AXS E1 Rear Derailleur is ideal for gravel racers, endurance cyclists and all-road riders building a modern UDH-compatible bike around a dedicated 1x13 drivetrain.

Routine cleaning

Wash the derailleur with mild bicycle cleaner, clean water and a soft brush.
Remove compacted dirt, grass and gravel dust from the cage and pulley wheels.
Do not direct high-pressure water at the motor, bearings, pivots or battery contacts.
Dry the component after wet rides and creek crossings.
Remove excess chain lubricant before it attracts abrasive material.
Avoid aggressive solvents around seals and electronic components.

Chain and cassette care

Clean and lubricate the SRAM Road Flattop chain regularly.
Select a lubricant suited to dry dust, wet gravel or mixed conditions.
Measure chain wear with a compatible chain-checking tool.
Replace a worn chain before it accelerates wear on the cassette and chainring.
Inspect the cassette following rock strikes or drivetrain impacts.
Use an approved SRAM PowerLock when replacing or reconnecting the chain.
Do not substitute a SRAM Eagle T-Type chain.

Battery maintenance

Charge the battery with an approved SRAM AXS charger.
Check battery level before races and remote rides.
Carry a charged spare battery on isolated or multi-day routes.
Keep the battery contacts clean and dry.
Fit the protective cover when the battery is removed.
Confirm that the battery latch is fully engaged before riding.
Replace swollen, cracked or damaged batteries.
Avoid long-term storage with a completely discharged battery.

Crash and impact inspection

After a significant impact, inspect:

Full Mount interface
Rear axle
Frame dropout
Carbon and aluminium cage
Pulley-wheel alignment
Battery latch
Motor housing
Cassette
Chain
Rear wheel and spokes

Stop riding if the derailleur is loose, the cage is visibly damaged or the chain can contact the spokes.

Professional bicycle servicing

A professional SRAM XPLR drivetrain service should include:

UDH frame-interface inspection
Rear-axle inspection
Full Mount security check
Chain-wear measurement
Cassette inspection
Chain-length verification
Pulley and cage assessment
Clutch inspection
Battery-contact inspection
Firmware update
AXS pairing
Electronic micro-adjustment
Test shifting under load

Warranty

SRAM generally provides the original owner with a two-year limited warranty against qualifying defects in materials or workmanship.

Bikerumor published its SRAM Force XPLR AXS E1 review on 17 June 2025. The publication found that Force delivered performance close to SRAM RED while substantially reducing the purchase price. Its measured derailleur weight was approximately 375 grams without the battery and about 399 grams with a standard AXS battery fitted.

Flow Mountain Bike published a detailed review on 11 September 2025 after extended testing. The reviewer praised the drivetrain’s quick gear changes, accurate indexing, controlled chain behaviour and integration with SRAM’s wider AXS ecosystem. The main limitations were the UDH frame requirement and the dedicated 1x configuration.

Escape Collective compared SRAM Force XPLR E1 with Shimano GRX Di2 on 31 March 2026. The review praised SRAM’s straightforward installation, resistance to traditional bent-hanger problems and secure chain management. It also highlighted SRAM’s broad choice of crank lengths, chainring sizes and compatible power-meter configurations.

Rider and community sentiment

Positive rider feedback commonly focuses on the derailleur’s accurate shifting over rough terrain. Riders appreciate that its position is referenced directly to the rear axle rather than relying on a conventional hanger that may gradually move out of alignment.

Commonly praised qualities include:

Fast and accurate shifting across all 13 sprockets
Smaller ratio changes through frequently used high-speed gears
Stable chain control on corrugated roads
Straightforward installation once the Full Mount process is understood
Clean wireless operation
Easy battery removal and swapping
Lower purchase price than SRAM RED XPLR
Serviceable and replaceable components
Reduced concern about bent derailleur hangers
Real-world shifting performance close to the flagship RED version

Some riders prefer the lower weight and premium finish of SRAM RED XPLR, while others consider Force the smarter purchase because the practical shifting difference is relatively small.

SRAM RED XPLR AXS E1 Rear Derailleur

SRAM RED XPLR advantages:

Full-carbon cage
Ceramic pulley bearings
Lower weight
Premium materials and finish
Best suited to flagship gravel racing bikes

SRAM Force XPLR advantages:

Significantly lower purchase price
Same Full Mount structure
Same 1x13 drivetrain format
Same 10-46T cassette compatibility
Very similar real-world shifting performance
Lower replacement and repair cost

SRAM RED XPLR is the choice for riders pursuing minimum weight and top-tier construction. SRAM Force XPLR is the more practical option for most competitive and recreational gravel cyclists.

SRAM Rival XPLR AXS E1 Rear Derailleur

SRAM Rival XPLR advantages:

Lower purchase price
Full Mount durability
Wireless AXS shifting
Compatible with the same 13-speed XPLR drivetrain
Strong choice for everyday gravel and endurance bikes

SRAM Force XPLR advantages:

Carbon and aluminium cage
Lower weight
More premium finish
Better suited to racing and high-end custom builds

Rival provides excellent functional value, while Force offers a more refined balance of weight, materials and performance.

Previous-Generation SRAM Force XPLR AXS 12-Speed Rear Derailleur

Previous-generation advantages:

Fits conventional derailleur-hanger frames
Compatible with SRAM 10-44T 12-speed XPLR cassettes
Easier upgrade for an existing 12-speed gravel bicycle
Does not require a Full Mount UDH frame
May be available at discounted prices

SRAM Force XPLR AXS E1 advantages:

Thirteen gears
Wider 10-46T cassette
Closer progression through faster gears
Stronger hangerless mounting
No conventional limit or B-gap screws
Replaceable and rebuildable components
Improved resistance to impact-related alignment problems

The previous model remains the correct choice for many non-UDH frames. The SRAM Force XPLR AXS E1 Rear Derailleur is the stronger ground-up option for a compatible modern gravel bike.

Shimano GRX Di2 Rear Derailleur

Shimano GRX Di2 advantages: