Rockrider 520 s Bicictetas de montaña BTT de segunda mano baratas | Milanuncios
2020 ROCKRIDER ST 520S Full Suspension Mountain Bike - 27.5" – Specs, Comparisons, Reviews – 99 Spokes
ChooseMyBicycle.com on Twitter: "The Btwin Rockrider 520 S is A sturdy, eye-catching MTB with a dual suspension frame that boasts performance on and off-road. Read our detailed review here - https://t.co/uYByBLrsEL #ChooseMyBicycle #
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