KING SPORT BICYCLE - VTT 27.5 ROCKRIDER 520 B'TWIN 2018 XL Disponible 3 Couleur #Prix : 59000 DA | Facebook
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2021 ROCKRIDER Women's 27.5" Mountain Bike ST 520 - Navy - Specs, Reviews, Images - Mountain Bike Database
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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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