![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://i.redd.it/p6rm2trhtno61.jpg)
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 Mountain Bike 27.5 2017|Gear Cycle with Disc Brakes|27.5" MTB cycles below Rs.30,000|Bicycle@ChooseMyBicycle.com Btwin Rockrider 520 Mountain Bike 27.5 2017|Gear Cycle with Disc Brakes|27.5" MTB cycles below Rs.30,000|Bicycle@ChooseMyBicycle.com](https://s3.ap-south-1.amazonaws.com/choosemybicycle.webp/images/reviews/btwin-rockrider-520-2017-frame.webp)
Btwin Rockrider 520 Mountain Bike 27.5 2017|Gear Cycle with Disc Brakes|27.5" MTB cycles below Rs.30,000|[email protected]
![Btwin Rockrider 520 Mountain Bike 27.5 2017|Gear Cycle with Disc Brakes|27.5" MTB cycles below Rs.30,000|Bicycle@ChooseMyBicycle.com Btwin Rockrider 520 Mountain Bike 27.5 2017|Gear Cycle with Disc Brakes|27.5" MTB cycles below Rs.30,000|Bicycle@ChooseMyBicycle.com](https://s3.ap-south-1.amazonaws.com/choosemybicycle.webp/images/reviews/btwin-rockrider-520-2017-design.webp)
Btwin Rockrider 520 Mountain Bike 27.5 2017|Gear Cycle with Disc Brakes|27.5" MTB cycles below Rs.30,000|[email protected]
![Btwin Rockrider 520 Mountain Bike 27.5 2017|Gear Cycle with Disc Brakes|27.5" MTB cycles below Rs.30,000|Bicycle@ChooseMyBicycle.com Btwin Rockrider 520 Mountain Bike 27.5 2017|Gear Cycle with Disc Brakes|27.5" MTB cycles below Rs.30,000|Bicycle@ChooseMyBicycle.com](https://s3.ap-south-1.amazonaws.com/choosemybicycle.webp/images/reviews/btwin-rockrider-520-2017-tires.webp)