Full Speed Ahead Energy SCR Stem - 130mm 31.8 Clamp -6 1 1/8" Alloy BLK/Gray MFPN=ST21-0DA56735-BK Micro-adjustable dial-based BOA Fit System Model Spike Race 33 Weight-346 Casing Durability:Durable Plus Grip Plus Compound BK00589

Full Speed Ahead Energy SCR Stem 130mm 31.8 Clamp 6 1 1 8" Alloy BLK Gray MFPN=ST21 0DA56735 BK Micro adjustable dial based BOA Fit System Model Spike Race 33 Weight 346 Casing Durability:Durable Plus Grip Plus Compound BK00589 Micro adjustable dial based BOA Fit System plus hook and loop straps Cleat Bolt Pattern 2 Bolt Closure Dial Gender Age Men's Color Core Black Pure Orange Ray Blue Shoe Size (US) 8 In capturing all three metrics our sports science based approach not only monitors power output but also gives the rider insight to optimize pedal symmetry for a more efficient pedal stroke with lab tested + 1% power accuracy