SIDI Aeron XC Clipless Mountain Shoes - Black 40 ModelNumber=J2831 The ST Rotation 10 is

The ST Rotation 10 is impressive as a nearly indestructible binding with strong downhill performance

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Tooth Count 50 Ring Position/Type Outer Drivetrain Speeds 10 Chainring BCD 110 Color Black Defined Color Black Material Aluminum

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8mm bar bore

SIDI Aeron XC Clipless Mountain Shoes - Black 40 ModelNumber=J2831 The ST Rotation 10 isAeron redefines XC performance through advanced construction and precision fit. The ripstop upper with TPU bumpers offers protection without added weight while dual NUUN 001C dials and external Firmor reinforcement ensure secure responsive support. A fast adapting instep and UNUM tongue deliver a pressure free fit complemented by a tool free heel adjuster for fine tuned stability. The sole with stiffness index 11 and generous rubber coverage offers