![Btwin Rockrider 520 S 2018|Gear Cycle with Disc Brakes|27.5" MTB cycles below Rs.50,000|Bicycle@ChooseMyBicycle.com Btwin Rockrider 520 S 2018|Gear Cycle with Disc Brakes|27.5" MTB cycles below Rs.50,000|Bicycle@ChooseMyBicycle.com](https://s3.ap-south-1.amazonaws.com/choosemybicycle.webp/images/reviews/btwin-rockrider-520-s-2018-design.webp)
Btwin Rockrider 520 S 2018|Gear Cycle with Disc Brakes|27.5" MTB cycles below Rs.50,000|Bicycle@ChooseMyBicycle.com
![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?auto=webp&s=df9a9bd371397dbc3b8e6b5f9b11cd6605e4f5bb)
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
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