Down Tube Diameter: Fits 38 - 70mm

25mm standard size computer or GPS models

Designed for use with Shimano 24mm mountain bike cranks

If riding on rollers is a difficult or anxiety-inducing activity for you

versatile bike storage idea for one bike

STANS NO TUBES Dart Tool - Refill, Pack of 5 closeout Down Tube Diameter: Fits 38Stan's Dart tool refill pack includes 5 DART Refills (required DART Tool not included). Reacts with Stans sealant to form an instant, airtight seal Barbed plastic tip anchors into tire and will not pull out when riding Flexible fabric conforms to shape of puncture and bonds with sealant Wears off clean, no trimming needed, and can not be felt while riding, even on road tires Includes sealed container and carrier rack for fast and easy reloads