SRAM Rival XPLR AXS E1 Rear Derailleur

SRAM Rival XPLR AXS E1 Rear Derailleur

The SRAM Rival XPLR AXS E1 Rear Derailleur (RD-RIV-1E-E1) marks a revolutionary shift in gravel-specific performance, bringing premium 13-speed wireless technology within reach of every rider. Engineered explicitly for rugged 1x gravel configurations, this model completely replaces the traditional, flimsy derailleur hanger with an ultra-stiff, direct Full Mount interface. Centering directly on your rear wheel axle, the E1 variant eliminates the standard variances and weaknesses of external hangers. The result is a highly resilient, impact-resistant chassis that delivers completely perfect shifting through mud, dust, and gravel chattering without requiring a single adjustment screw.

Key Advantages

• Hangerless Full Mount Architecture: Attaches directly to your frame's rear axle interface, distributing external impact forces into the frame itself. This layout ensures that trail debris, accidental drops, or luggage handling cannot bend or knock your shifting alignment out of index.

• True 13-Speed Cadence Progression: Built around a dense, optimised 13-speed shifting path, allowing you to seamlessly conquer steep wall climbs and fast pavement descents while maintaining your ideal physical cadence.

• Zero Adjustment Screws: Eliminates traditional high, low, and B-gap adjustment screws entirely. The direct, centered interface makes initial setup a simple, three-step physical alignment process that never drifts over time.

• Mountain Bike-Inspired Chain Security: Outfitted with a high-tension spring clutch mechanism that counteracts aggressive frame bouncing. It keeps your chain anchored securely to the cogs, completely dampening chain slap for a silent off-road ride.

• Fully Rebuildable Architecture: Designed for real-world gravel longevity, featuring easily replaceable and rebuildable outer links and cage components to save you money in the event of a severe crash.

Technical Specifications

• Speed Configuration: Dedicated 13-speed electronic shifting

• Drivetrain Architecture: Optimised strictly for 1x single chainring setups (Not compatible with front derailleurs)

• Mounting Interface: Hangerless Full Mount (Requires a bike frame equipped with a Universal Derailleur Hanger / UDH)

• Maximum Tooth Profile: Designed exclusively to track large-range 46T low sprockets

• Minimum Tooth Profile: Optimised for a fast, crisp start on a 10T high-speed cog

• Cassette Match: Engineered specifically for the SRAM 10-46T XPLR 13-speed cassette

• Chain Compatibility: Designed exclusively for SRAM Road Flattop chains (including D1 and E1 variants)

• Chassis Construction: Highly rigid aluminium inner and outer cages

• Pulley Assemblies: Outfitted with robust steel pulley bearings and square-tooth X-SYNC mud-clearing profiles

• Wireless Protocol: Native AXS encrypted wireless connection layout

Compatibility

• Cassette Configurations: Built to shift flawlessly across the SRAM Rival XPLR XG-1351 (10-46T) or RED XPLR 13-speed cassettes utilising an XDR driver body. Note: Completely incompatible with 12-speed gravel or 12-speed Eagle mountain bike cassettes.

• Handlebar Controls: Natively compatible with all existing SRAM AXS wireless electronic controls, allowing you to actuate shifts via Apex, Rival, Force, or RED AXS HRD road hoods, as well as flat-bar wireless Pod controllers.

• Chainstay Frame Tolerances: Optimized to operate alongside XPLR cranksets on bicycle frames featuring chainstays measuring 415 mm or greater.

SRAM Warranty

All product warranties are in accordance with the manufacturer's policy (see link in the product details above). In most cases, this is a limited warranty that applies only to the original owner and excludes normal wear and tear, accidental damage, negligence (failure to clean/maintain the product), and improper installation (see User Manual link in the product details above). However, if you experience a problem with the product you purchased from bicyquel _ (original invoice required), please let us know so we can assist you with the appropriate procedure.