【Compatibility】:Fit for Mazda CX-30 CX30 2020 2021 2022 2023 2024 【Construction】:Cross bars and side rails are constructed of High quality aluminum,durable black powder coating is rustproof and waterproof 【Lock design】:Anti theft lock, don't worry about losing it，protective and safer 【Load Capacity】:Cross bars can support luggage, bike.roof basket or cargo with a support weight of up to 165 lbs. 【Package】:Including Aluminum cross bars*2,side rails*2，No drilling