Choosing a rear derailleur hanger comes down to matching the intended bicycle application while avoiding a higher price when the stated specifications closely overlap. These two black aluminum-alloy options are both described as new Bike Rear Derailleur hangers at about 40g, so the meaningful choice is their price and the wording that best matches your replacement reference.
Quick verdict
Pick Cycling Outdoor Sports Rear Mech Hanger Rear Hanger 1pcs Accessories Black if your priority is the lower listed price: it is USD 18.89, compared with USD 20.85 for Cycling Outdoor Sports Rear Mech Hanger Rear Hanger About 40g Accessories. The USD 1.96 spread is the clearest practical divider because the descriptions otherwise point to the same general rear-hanger use.
At-a-glance comparison
| Detail | Rear Mech Hanger About 40g Accessories | Rear Mech Hanger 1pcs Accessories Black |
|---|---|---|
| Listed price | USD 20.85 | USD 18.89 |
| Title emphasis | About 40g Accessories | 1pcs Accessories Black |
| Part type | Bike Rear Derailleur hanger | Bike Rear Derailleur hanger |
| Described bicycle application | Scott #277544 Addict RC 2020 SC-R-SW1-S Standard Mount Dropout 277544 Carbon Frame bike | Scott #277544 Addict RC 2020 SC-R-SW1-S Standard Mount Dropout 277544 Carbon Frame bike |
Where each option wins
Rear Mech Hanger About 40g Accessories: best for title-reference matching
The higher-priced option has one narrow advantage: its title puts "About 40g" front and center. That can be useful when you are organizing a replacement around a weight-focused part description or matching a phrase already associated with the component. Its edge is about naming clarity rather than a different stated application.
Rear Mech Hanger 1pcs Accessories Black: best for the lower listed price
The 1pcs Black option is the straightforward price-led pick. Its title makes the single-piece, black format easy to identify, and it carries the lower of the two listed prices. For a shopper choosing between these closely matched descriptions, this is the more direct route when title wording is not the deciding factor.
Product notes
Cycling Outdoor Sports Rear Mech Hanger Rear Hanger About 40g Accessories
Choose this rear mech hanger when the phrase "About 40g Accessories" is the wording you need to match in a replacement reference. It is described for the Scott #277544 Addict RC 2020 SC-R-SW1-S Standard Mount Dropout 277544 Carbon Frame bike, making that named application the central reason to consider it. The black aluminum-alloy hanger is presented as a single rear derailleur hanger, keeping the item focused on a specific component rather than a broader accessory bundle. Its limitation is the higher listed price. Since the other option carries the same part type and named bicycle application, this version makes the most sense when its particular title phrasing matters to your selection.
Cycling Outdoor Sports Rear Mech Hanger Rear Hanger 1pcs Accessories Black
This is the practical choice for shoppers who want the lower listed-price option without moving away from the same Bike Rear Derailleur hanger category. The title clearly identifies a 1pcs Accessories Black configuration, while the description also identifies a black aluminum-alloy rear hanger for the Scott #277544 Addict RC 2020 SC-R-SW1-S Standard Mount Dropout 277544 Carbon Frame bike. Its limitation is that the title gives less emphasis to the approximately 40g wording used by the other option. That is chiefly a naming distinction, however, rather than a reason to expect a different stated purpose. Choose it when price and a plainly labeled one-piece black hanger are your priorities.
Final choice by use case
Choose Cycling Outdoor Sports Rear Mech Hanger Rear Hanger 1pcs Accessories Black for the lower listed-price route among these two closely aligned rear derailleur hanger choices. Choose Cycling Outdoor Sports Rear Mech Hanger Rear Hanger About 40g Accessories when the weight-forward wording in its title is the closer match for the replacement reference you are following. Both descriptions center on the same named Scott bicycle application and rear-hanger part type.
