Add to favorites
Bike Rear Derailleur RD-M8100 SGS 12 Speed Derailleur for Mountain Bikes — Open-Box, 9% Off
Brand: Relwears
Condition: Used - VeryGood
$9999
$10988
-9% Save $989
Updated: 2 days ago
Description
Model: RD-M8100 SGS; 12 Speed Bike Rear Derailleur, Direct Mount ; For 10T-51T gears ; 284 g（0.63LB）
The Rd-M8100 SGS 12 speed derailleur need to add tail hook installation, ensures smooth gear shifts. It delivers precise and rapid shifting even within the extensive gear ratio range of 12-speeds.
The larger 13T gidle wheel pulley minimizes chain friction, improving the smoothness of bicycle rides. Its wide-ranging 12-speed transmission system is adept at handling various terrains.
Its discreet design and single-tension structure enhance the stability of the derailleur while elevating the aesthetic appeal of the bicycle.
12 Speed derailleur is suitable for various types of bicycles, including mountain, road, racing, urban and folding bikes, adding versatility to your cycling experience.
Bike Rear Derailleur XT RD-M8100 SGS 12 Speed Derailleur for Mountain Bikes
Model: RD-M8100 SGS; 12 Speed Bike Rear Derailleur, Direct Mount ; For 10T-51T gears ; 284 g（0.63LB）
The Rd-M8100 SGS 12 speed derailleur need to add tail hook installation, ensures smooth gear shifts. It delivers precise and rapid shifting even within the extensive gear ratio range of 12-speeds.
The larger 13T gidle wheel pulley minimizes chain friction, improving the smoothness of bicycle rides. Its wide-ranging 12-speed transmission system is adept at handling various terrains.
Its discreet design and single-tension structure enhance the stability of the derailleur while elevating the aesthetic appeal of the bicycle.
12 Speed derailleur is suitable for various types of bicycles, including mountain, road, racing, urban and folding bikes, adding versatility to your cycling experience.
Model: RD-M8100 SGS; 12 Speed Bike Rear Derailleur, Direct Mount ; For 10T-51T gears ; 284 g（0.63LB）
The Rd-M8100 SGS 12 speed derailleur need to add tail hook installation, ensures smooth gear shifts. It delivers precise and rapid shifting even within the extensive gear ratio range of 12-speeds.
The larger 13T gidle wheel pulley minimizes chain friction, improving the smoothness of bicycle rides. Its wide-ranging 12-speed transmission system is adept at handling various terrains.
Its discreet design and single-tension structure enhance the stability of the derailleur while elevating the aesthetic appeal of the bicycle.
12 Speed derailleur is suitable for various types of bicycles, including mountain, road, racing, urban and folding bikes, adding versatility to your cycling experience.
Sold by
Amazon Warehouse
Official Amazon outlet for open-box & returned items
- Backed by Amazon's A-to-Z Guarantee
- 30-day return policy
- Ships from Amazon fulfillment centers
- Price verified on Amazon
Product Details
- SKU:
- awhd-us-b0dwsjjwkn
- Model:
- RD-M8100 SGS 12S
- Country:
- US
- ASIN:
- B0DWSJJWKN
Shopping Smarter
Common questions about buying open-box and refurbished.
Why buy refurbished or open-box?
Refurbished and open-box products offer the same performance as new at a fraction of the price. You're already saving $10 on this listing. They've been inspected, tested, and are ready to use — the only difference is the price tag. Buying refurbished also reduces electronic waste, extending product life cycles and keeping functional devices out of landfills.
What's the difference between open-box and refurbished?
Open-box products are customer returns that have been inspected and confirmed functional. They may show little to no use — often the item was returned simply because the buyer changed their mind. Refurbished products have been professionally repaired or restored by technicians, tested to meet or exceed manufacturer specifications, and sometimes come with a warranty. Both are a smart alternative to buying new.
Why use OpenBoxFox?
Finding refurbished deals is time-consuming — you'd have to check Amazon Warehouse, Reebelo, Dyson Outlet, and others separately for Relwears products. OpenBoxFox aggregates these listings in one place, so you can compare and find the best deal without the legwork. We update pricing daily so you always see current availability and real savings.
Is it safe to buy refurbished?
Yes. Products listed on OpenBoxFox come from established retailers like Amazon, Reebelo, and Dyson — not unknown third-party sellers. Each retailer has buyer protection policies, return windows, and in some cases warranties. You get the price advantage of used goods with the purchase security of a known retailer.
![TESSRAM [Small,Lightweight] Battery for SRAM AXS Red eTap GX Eagle Force Rival XX1 X01 Derailleur, for SRAM Reverb Seatpost, Colorful, 240mah (Black-d) by TESSRAM - Used condition - US$13.06](https://m.media-amazon.com/images/I/4153BVDxtoL._SX600_.jpg)
