Delta Wheel Hitch Wheel Holder Mount for Truck Bed Bike Racks: Black Model=Trail Boss Tire found on Proterra and CZR

found on Proterra and CZR wheels

thick thin tooth design for Shimano 12sp mountain chain engagement

Large reflective areas on all outward facing aspects

5 x 15 x 8

Centersleeve/cone set

Delta Wheel Hitch Wheel Holder Mount for Truck Bed Bike Racks: Black Model=Trail Boss Tire found on Proterra and CZRDelta Wheel Hitch Wheel Holder Mount for Truck Bed Bike Racks: Black. A front wheel holder that mounts to any flat surface to keep things organized during transportation. Rigid steel stays with 9mm dropouts Max wheel diameter if mounted on flat surface: 712mm (28) Max wheel diameter if mounted with overhang: 745mm (29. 3) Accommodates 110mm hub width Mounting holes are 2" on center