Box One 451 Rim-Rear-28H-20x1 1/8" chainring-bolts 3/8” heat-treated chromoly axle bolts

3/8” heat-treated chromoly axle bolts with 17mm wrench flats and a 6mm hex slot

FIT: 4-Bolt bolt pattern for 104mm spiders

95"= 20"  |  2

WEIGHT: 15

PROCESS: Extruded Precision CNC

Box One 451 Rim-Rear-28H-20x1 1/8" chainring-bolts 3/8” heat-treated chromoly axle boltsThe Box One 451 Rim Rear 28H 20x1 1 8" is as low profile as it gets. All the better to be lightweight and speedy. Featuring double walled aluminum, eyeleted construction. This rim does have a sidewall braking surface, so it can and should be used on the rear of your bike. FEATURES Optimized Internal Geometry Presta Valve Hole Machined Brake Track Stainless Steel Eyelets Brake (Rear) and Brake Less (Front) Profiles Low Profile Design COMPATIBILITY Box