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SRAM S500 Eagle AXS Upgrade Kit
Sale price
$599.00
Regular price
$599.00
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SKU: 00.7918.419.000
Pickup available at RA Cycles Brooklyn
Pickup available at RA Cycles Walnut Creek
Stock Availability by Location
RA Cycles Brooklyn In stockLow stock (1 left)Low stock (2 left)— Out of stock— Not immediately available
105 5th Ave, Brooklyn, NY 11217718-636-5242
* Available for in-store pickup in 2-4 hours
* Available for in-store pickup in 2-4 hours
* Available for in-store pickup in 2-4 hours
RA Cycles Walnut Creek In stockLow stock (1 left)Low stock (2 left)— Out of stock— Not immediately available
2099 Mt Diablo Blvd, Walnut Creek, CA 94596925-433-7099
* Available for in-store pickup in 2-4 hours
* Available for in-store pickup in 2-4 hours
* Available for in-store pickup in 2-4 hours
Distribution Center - East In stockLow stock (1 left)Low stock (2 left)— Out of stock— Not immediately available
Distribution Center - Central In stockLow stock (1 left)Low stock (2 left)— Out of stock— Not immediately available
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SRAM S500 Eagle AXS Upgrade Kit
$599.00
SRAM S500 Eagle AXS Upgrade Kit Info
The SRAM S500 Eagle AXS Upgrade Kit is the fastest path from a mechanical Eagle drivetrain to wireless shifting, without buying an entirely new groupset. If the crank, chainring, cassette, and chain on your bike are already Eagle 12-speed, this kit swaps in AXS electronics and leaves the rest of the drivetrain untouched — a meaningfully cheaper upgrade than starting over with a complete AXS groupset.
At the center of the kit is the Eagle S500 AXS rear derailleur, built around the same wireless architecture SRAM uses across its higher-tier Eagle AXS derailleurs. It's compatible with both 10-50t and 10-52t Eagle cassettes, runs a Type 3 cage damper to keep the chain quiet and controlled on rough descents, and seals against water and dust for creek crossings and muddy rides. The Overload Clutch is the feature worth knowing about before a rock strike happens: on impact, the motor gearbox disengages so the derailleur can move freely instead of bending, then resets itself back into position once the hit is over.
The kit pairs that derailleur with an AXS POD Controller, which replaces a mechanical shift lever with a wireless button that can be mounted and angled to suit the rider rather than the cable routing. Everything needed to get running is included — an AXS battery, USB-C charger, Eagle PowerLock, and a chain gap tool for setup — so there's no separate parts list to track down. For a rider who already has an Eagle drivetrain dialed in and just wants to drop the cable and shift wirelessly, this is the direct way to get there.
The RA Perspective
We recommend the S500 upgrade kit to riders who already like their Eagle drivetrain and just want the cable gone. It's a smarter buy than a full groupset swap if your cassette, chain, and cranks are in good shape — you're paying for the shifting upgrade, not replacing parts that already work.
The Overload Clutch is the feature that actually matters on the trail, not just on paper. Mechanical derailleurs can get tweaked or bent in a rock strike in a way that throws off shifting for the rest of the ride. The S500's clutch disengaging on impact and resetting itself is the kind of thing you don't think about until the first time it saves your derailleur hanger.
Setup is straightforward with the AXS app, and the POD Controller's ability to sit wherever you want it on the bar is a nice departure from being locked into a fixed lever position. The tradeoff is charging — it's one more battery to remember, though SRAM's runtime is long enough that it's a background chore rather than a real hassle.
We'd point this at a rider running mechanical Eagle now who's ridden AXS on a friend's bike and wants that shifting feel without a full drivetrain replacement.
PRICE MATCH GUARANTEE
We will price match against advertised or quoted prices from other authorized dealers of the product!