Sidi Adjust Heel Retention Device The SIDI Adjust Heel Retention Device is a specialized feature in cycling shoes designed to provide customizable heel support and stability. This mechanism allows cyclists to adjust the fit of the heel cup to their preference ensuring a secure and comfortable fit. By tightening or loosening the device riders can fine-tune the level of support and prevent slippage during intense rides. With its user-friendly design and reliable performance the SIDI Adjust Heel Retention Device offers cyclists enhanced control and comfort for an optimal riding experience. | Sidi | Adjust Heel Retention Device In Reflex Red