![Bike build help! Is this shimano 105 r7000 derailleur correctly attached to this hanger? The B link thing is confusing (Bike frame is vintage racer frame from early 90s) More details in Bike build help! Is this shimano 105 r7000 derailleur correctly attached to this hanger? The B link thing is confusing (Bike frame is vintage racer frame from early 90s) More details in](https://i.redd.it/2oy3cjn6kks61.jpg)
Bike build help! Is this shimano 105 r7000 derailleur correctly attached to this hanger? The B link thing is confusing (Bike frame is vintage racer frame from early 90s) More details in
![Installing a Shimano 105 RD-R7150 rear derailleur onto a 2019 Checkpoint SL5 and I'm having trouble determining whether or not I need the mounting piece circled. Googling only made me more confused. Installing a Shimano 105 RD-R7150 rear derailleur onto a 2019 Checkpoint SL5 and I'm having trouble determining whether or not I need the mounting piece circled. Googling only made me more confused.](https://external-preview.redd.it/installing-a-shimano-105-rd-r7150-rear-derailleur-onto-a-v0-wzcYiuIY2HFJ-rsyaa6AR6SZhFLviiPYpQ62raxilEg.jpg?auto=webp&s=39cd91ad42644db81fa9202ea6a52371125af8cf)
Installing a Shimano 105 RD-R7150 rear derailleur onto a 2019 Checkpoint SL5 and I'm having trouble determining whether or not I need the mounting piece circled. Googling only made me more confused.
![2023 TWITTER Chameleon T10Pro 105 R7000-22S Inner Cable Routing C Brake Breaking Wind Racing T800 Carbon Fiber Road Bike 700*25C - AliExpress 2023 TWITTER Chameleon T10Pro 105 R7000-22S Inner Cable Routing C Brake Breaking Wind Racing T800 Carbon Fiber Road Bike 700*25C - AliExpress](https://ae01.alicdn.com/kf/S8be0c29e8f6d4329b21762714bd2ae83s/2023-TWITTER-Chameleon-T10Pro-105-R7000-22S-Inner-Cable-Routing-C-Brake-Breaking-Wind-Racing-T800.jpg)