SKU: AFM35806R-4x
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Superlight RS Series Steel Rear Sprocket 520 Pitch - AFM35806R-4x

Superlight RS Series Steel Rear Sprocket 520 Pitch - AFM35806R-4x

$59.95 USD
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Details

Superlight RS Series Steel Rear Sprocket 520 Pitch - AFM35806R-4x

Please note this rear sprocket is only to be used in conjunction with a 520 front sprocket and a 520 chain. 

*520 chains are stock on  RS660

**Owners of '16-'20 model year bikes, Please note: This sprocket is guaranteed to fit any model with the Updated Rear Sprocket Fitting Kit -2R000270

15/43 is by far the most popular sprocket ratio chosen. It seems to be the best balance between improved acceleration without sacrificing top speed.

Sprocket weighs ~609 grams; stock 525 sprocket weighs ~707 grams 

 ***This sprocket is the Preeminent sprocket we offer. It is the best designed lightest sprocket you are likely to find outside of prototype racing. That being said, Superlite updates this design (with irritating frequency) to improve cosmetic or mechancial performance. This sprocket has been alternativley known as the RS7 (Circa 2016), RS8 (roughly 2017-2018), RS9, and as of 2022 the RSX, or RS10. All of this is a long way of saying that the product you receive may not 100% match the image, but it will be the most up to date production design offered by Superlite. 
2026 2026 Aprilia RS660 Factory e5+
2026 2026 Aprilia RS660 e5+ (base model)
2023 2025 Aprilia RS660 Extrema
2023 2025 Aprilia RS660
2022 2022 Aprilia RS660
2021 2021 Aprilia RS660

 

Shipping + Returns

In general, RS660.com ships via FedEx for most domestic packages 2 lbs and less. For packages over 2 lbs and/or over $100 in value we ship UPS and FedEx Ground. International packages are primarily shipped via UPS and FedEx International. Batteries, oil, chemicals, and aerosols must ship by ground service and cannot be shipped Internationally.

ALL returns must be in new, uninstalled, sellable, condition in the original packaging. Damaged or used items will not be accepted for refund or exchange and will be returned to sender. ALL returns are pre-paid by the customer, unless an error is made on our part. ALL returned items are subject to a 25% re-stocking fee. No returns can be processed after 45 days of purchase. Returns within 45 days of purchase require a return authorization number. ALL Returns without an RA number will not be accepted. Please contact us at info@af1racing.com for a RA number. All used parts sales are final. Used parts are non-refundable, non-returnable. All electronic parts sales are final. Electronic parts are non-refundable, non-returnable. Orders that received free shipping may have actual shipping costs deducted from the refund.

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