![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 340 Grey Mountain Bicycle at Rs 13999 | A2 0-Chikkajala Village | Bengaluru | ID: 21341705130 BTwin Rockrider 340 Grey Mountain Bicycle at Rs 13999 | A2 0-Chikkajala Village | Bengaluru | ID: 21341705130](http://5.imimg.com/data5/TR/RV/OJ/SELLER-26489940/btwin-rockrider-340-grey-mountain-bicycle-500x500.jpg)
BTwin Rockrider 340 Grey Mountain Bicycle at Rs 13999 | A2 0-Chikkajala Village | Bengaluru | ID: 21341705130
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Btwin Rockrider 8.0 2013|Single Speed with Disc Brakes|26" MTB cycles below Rs.50,000|Bicycle@ChooseMyBicycle.com
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Btwin Rockrider 560 Review: All this for such modest price? | Kerékpár magazin - Bikemag.hu - Hírek, tesztek, versenyek
The Bike Shop - B'TWIN- ROCKRIDER 5.2 YELLOW Gender : Male Age Range : Adult Weight : 13.8 kg. Pedal : MTB Pedals Wellgo LU-C3 flat Accuracy : Shimano Altus 24 speeds.
The Bike Shop - B'TWIN- ROCKRIDER 5.2 BLACK Gender : Male Age Range : Adult Easy assemble : This cycle comes 95% assembled = you only have to straighten the handlebar, attach
![Btwin Rockrider 5.2 2013|Gear Cycle with Disc Brakes|26" MTB cycles below Rs.25,000|Bicycle@ChooseMyBicycle.com Btwin Rockrider 5.2 2013|Gear Cycle with Disc Brakes|26" MTB cycles below Rs.25,000|Bicycle@ChooseMyBicycle.com](https://s3.ap-south-1.amazonaws.com/choosemybicycle.webp/media/732_1.webp)