SIDI Tecno-4 Support - Black MFPN=SYLVAN ROAD Black Cutouts on the outer links

Cutouts on the outer links of the Flattop chain shed weight while the Hard Chrome finish adds durability as you power through shifts

Low 17mm stack height Color Oil Slick

and combines a low profile head that only covers the top and inboard side of the chain with our GuideLock quick adjustment system

AB0031: The 11t upper and twelve tooth lower size and profile with 5mm bolt-holes are designed as an upgrade for most 11 speed Shimano GRX derailleurs

SRAM's strongest DH derailleur available

SIDI Tecno-4 Support - Black MFPN=SYLVAN ROAD Black Cutouts on the outer linksThe SIDI Tecno 4 Support is a specialized feature incorporated into cycling shoes to provide enhanced stability and support to the foot. This system utilizes a series of strategically placed supports and reinforcements to promote proper alignment and reduce the risk of injury during rides. By offering targeted support to key areas of the foot such as the arch and heel the Tecno 4 Support ensures a secure and comfortable fit enhancing overall