Surly ExtraTerrestrial Tire - 700 x 41, Tubeless, Folding, Black, 60tpi Apparel_Men's Run Tights The single BOA® L6 dial

The single BOA® L6 dial offers micro-adjustable tuning in 1mm increments

1 mm INNER RIM WIDTH (CHANNEL) 19 mm TYRE WIDTH  From 23 mm to 40 mm BRAKING SYSTEM Disc Brake BRAKING SURFACE/BRAKING OPTIONS AFS FRONT AXLE COMPATIBILITY HH12-100 REAR AXLE COMPATIBILITY HH12-142 FRONT WHEEL SPOKES 28 REAR WHEEL SPOKES 28

This combination of precision spindle machining and high-quality cartridge bearings ensures years of high performance and minimal maintenance

and jacking for a fantastic ride

Rear Derailleur: Shimano Acera or Microshift

Surly ExtraTerrestrial Tire - 700 x 41, Tubeless, Folding, Black, 60tpi Apparel_Men's Run Tights The single BOA® L6 dialThe ExtraTerrestrial is an ultra durable touring tire designed to provide low rolling resistance and durability on various multi road surfaces, and the low profile, directional tread pattern maintains traction when its needed. Molded tread pattern for anti cut propagation Kevlar cap under the tread to protect against flats Nylon breaker in the sidewalls for cut protection Recommended rim width: 23 30mm Always check with your rim manufacturer to verify