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Scott MTB RC SL Supersonic

The mountain bike shoe Scott MTB RC SL Supersonic featuring the BOA® Fit System with Dual Dial Li2 delivers micro-adjustable precision fit for improved power and responsiveness. Engineered for confidence – built to perform when every moment matters. 

Performance Fit Benefits

Dialed In precision fit illustration MTB

Dialed in.

Micro-adjustable, precision fit for a more responsive and dynamic ride.

Dialed In precision fit illustration midsole MTB


Dials and lace engineered to defy rocks, sand, water, and mud so you can tackle any terrain.

Dial And Lace Specs


Flexible strength for low-power configurations. CS1 lace uses 49 strands of stainless steel wrapped in nylon to withstand abrasion to shed dirt, debris, and water.


Lightweight and low-profile, Li2 enables multidirectional adjustments for tightening and loosening at every turn, climb, and sprint. Built to last, the dial platform is engineered with unprecedented durability against impact, abrasion, dirt and debris.

  • Push in to engage
  • Turn to tighten
  • Turn to loosen
  • Pull up for fast release

How the Boa Fit System Works

Multidirectional Precision Fit + Fast Release

Explore Li2