Blackbird x Ibis BlkBrd Seat Collar 38.6mm Green CheckoutTitle=Osprey Syncro 5 Men's Hydration Pack - One Size 4 customizable spring tension settings

4 customizable spring tension settings for optimal setup

Lightweight at 22 grams per pair (Disc 28)

This drift and over axle set is used to install less common-sized thru-axle and frame sealed bearings

Precision CNC machined 7075-T6 alloy

Blackbird x Ibis BlkBrd Seat Collar 38.6mm Green CheckoutTitle=Osprey Syncro 5 Men's Hydration Pack - One Size 4 customizable spring tension settingsMinimalist CNC machined and anodized aluminum 12mm clamp height from the bottom of the collar to the internal lip For 31. 6mm post use 34. 9mm clamp diameter, 16g For 34. 9mm post use 38. 6mm clamp diameter, 18g Torque Spec: 6Nm TECH SPECS Model BlkBrd Diameter 38. 6mm Color Green