2020 B'TWIN Rockrider 540 Kids' 24-Inch City Bike Ages 9-12 – Specs, Comparisons, Reviews – 99 Spokes
2020 ROCKRIDER ST 540 Mountain Bike, / - 27.5" – Specs, Comparisons, Reviews – 99 Spokes
B'TWIN Rockrider 540s, full suspension electric mountain bike, fitted with a high performance Bafang BBSHD mid-drive electric motor with a 52v14ah... | By Ebike Choices | Facebook
2020 Rockrider 27.5" Mountain Bike ST 540 S - / – Specs, Comparisons, Reviews – 99 Spokes