![My friend has a Btwin rockrider 520 (image attached) needing to replace the bottom bracket trying to figure out what type it is : r/bikewrench My friend has a Btwin rockrider 520 (image attached) needing to replace the bottom bracket trying to figure out what type it is : r/bikewrench](https://preview.redd.it/p6rm2trhtno61.jpg?width=1080&crop=smart&auto=webp&s=d8b2d2aaa63f59f243a552ac5986bc4c2edd67cd)
My friend has a Btwin rockrider 520 (image attached) needing to replace the bottom bracket trying to figure out what type it is : r/bikewrench
![Btwin Rockrider 520 MTB Cycle (L, Black) in Narasaraopet at best price by Lakshmi Srinivasa Cycle Showroom - Justdial Btwin Rockrider 520 MTB Cycle (L, Black) in Narasaraopet at best price by Lakshmi Srinivasa Cycle Showroom - Justdial](https://images.jdmagicbox.com/quickquotes/images_main/btwin-rockrider-520-black-mtb-cycle-211006260-3ts58.jpg)
Btwin Rockrider 520 MTB Cycle (L, Black) in Narasaraopet at best price by Lakshmi Srinivasa Cycle Showroom - Justdial
Горный велосипед B'TWIN 27,5" Rockrider 520 (Франция), алюминий. Цена: ≈ 38 709₽ $425 по курсу ЦБ РФ от 13 февраля во Владивостоке
![Btwin Rockrider 520 2015|Gear Cycle with Disc Brakes|26" MTB cycles below Rs.50,000|Bicycle@ChooseMyBicycle.com Btwin Rockrider 520 2015|Gear Cycle with Disc Brakes|26" MTB cycles below Rs.50,000|Bicycle@ChooseMyBicycle.com](https://s3.ap-south-1.amazonaws.com/choosemybicycle/media/1424091528.86-Rockrider%20520%202015.jpg)