CST Ride Ambro Tire - 20 x 4 Clincher Wire Black Ebike CheckoutTitle=FSA Track Bolt and Spacer Designed to work with Treks

Designed to work with Treks Knock Block system

Single compound very soft

Flattop technology allows for a narrower chain with quieter operation and increased strength and durability

Adjustable preload

Battery Type Lithium Ion Connectivity ANT+ BT Customizable Screen Yes GPS Yes Heart Rate Monitor Yes Primary Color Black Touchscreen No External Sensor Compatibility Speed/Cadence/HR Wristband Charcoal - Silicone Watch Color Black Solar Charging No

CST Ride Ambro Tire - 20 x 4 Clincher Wire Black Ebike CheckoutTitle=FSA Track Bolt and Spacer Designed to work with TreksFat tire designed for use with E Moped and E Bikes on pavement and hard pack surfaces. Thick tread with deep siping and lots of edge gripping angles rolls smoothly but grips efficiently. Defender compound features integrated anti puncture fibers in the casing TECH SPECS Type Standard Size 20x4. 0 ISO 406 Bead Wire Tread Sidewall Color Bk Blk PSI 30 Weight (Grams) 1674 TPI 60 Durometer Features EBIKE50 Reflective Sidewall No