1. Material: sponge + ABS + aluminum alloy lock ring
2. High-density sponge cover, non-slip and sweat-absorbing, soft and shock-absorbing
3. Aluminum alloy lock ring, firmly fixed to prevent falling off
4. Single size: 126x34mm, inner diameter: 22.2mm
5. Weight: 90g/pair
2. High-density sponge cover, non-slip and sweat-absorbing, soft and shock-absorbing
3. Aluminum alloy lock ring, firmly fixed to prevent falling off
4. Single size: 126x34mm, inner diameter: 22.2mm
5. Weight: 90g/pair