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
Decathlon Rockrider ST520, 24-Speed Mountain Bike, 27.5", Gray, Large - Walmart.com
BTWIN ROCKRIDER 540 vs 520 S | DECATHLON | 2019 - YouTube
Rockrider 520 | Bikes, Bicycles & Cycles for Sale | Gumtree
Btwin Rockrider 520 Mountain Bike (2017) - Cross country (XC) bike
Used Btwin Rockrider St 520 S MTB - VENDRE-SON-VELO.COM
Used Btwin Rockrider 520 electric hybrid bike - VENDRE-SON-VELO.COM
Used Btwin Rockrider 520 MTB - VENDRE-SON-VELO.COM
BTWIN by Decathlon ROCKRIDER 520 MTB CYCLE 27.5 T Mountain/Hardtail Cycle Price in India - Buy BTWIN by Decathlon ROCKRIDER 520 MTB CYCLE 27.5 T Mountain/Hardtail Cycle online at Flipkart.com