Applicable models: Specialized Rockhopper 2020 Material and durability - Aluminum alloy construction provides high resilience and durability - Waterproof and rust-proof, designed for long-term use - Robust design supports your bike strongly to maintain stability in all weather conditions Stability and non-slip performance - Bottom includes non-slip foot pads for stability on all surfaces - Prevents slipping on uneven ground and avoids getting stuck in mud - Keeps the bike upright and secure, suitable for outdoor rides Easy installation and adjustment - Installed with an Allen key; bottom can be mounted and the height adjusted - Attach to the right place in the middle of the bike, tighten the screws, and set the height Use scenarios - Home maintenance or cleaning: holds the bike upright for easy access and hands-free work - Outdoor stops: parks securely on varied terrain, including mud or gravel, during rides - Workshop or garage: stable display and service setup for routine maintenance