Surly Stainless Steel Ring 34t x 104mm MFPN=121-0325N In capturing all three metrics

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

Versatile aero-optimized endurance wheels for longer rides on varying terrain

Axle/Hub spacing 15x110mm TA Crown Material Aluminum Primary Color Black Remote Sold Separately Spring Adjustments Air pressure Bottomless tokens Wheel Diameter 29 Steerer Tube Material Aluminum Travel 110mm Stanchions Diameter 32mm Steerer Tube 1-1/8-1

Drawstring gauntlet cuff closure Finger Style Lobster Season Cool Weather Touch Screen Compatible Yes Gender/Age Unisex Color Glacial Grey Padding None Size Large Insulation Type Synthetic Defined Color Gray

courtesy of a newly designed bump rubber

Surly Stainless Steel Ring 34t x 104mm MFPN=121-0325N In capturing all three metricsSurly Stainless 4 bolt Chainrings. No ramps or shift gates Surly rings paired with 9 speed chains will have a tight fit. No compatibility with 10 or more speed drivetrains Made from 304 Stainless Steel Ring Position Type Single Tooth Count 34 Drivetrain Speeds Single Speed 3 32" Chainring BCD 104 Color Silver Defined Color Silver Teeth 34T