HollowGram R 45

Aero for All 

Bring HollowGram performance and serious value to any road bike. Rise to Speed, for less, with our ready-for-anything R-45 wheelset. 

Discipline Road 

Front Hub HollowGram Aero, sealed bearing, 12x100mm, centerlock, 20h, straight pull 

Rear Hub HollowGram Road, 12x142mm, Centerlock, Formula internals, 28h, straight pull 

Weight (pair) 1740g 

Wheel Size 700c 

Spoke Type Formula Grand Forza 

Spoke Length DS 268mm (front), 287mm (rear) 

Spoke Length NDS 282mm (front), 288mm (rear) 

Spoke Pattern radial DS / 3-cross NDS (front), 3-cross 

Rec. Spoke Tension 100-130 kgf 

Nipple Type Sapim Up side down, brass 

Rim Type Carbon clincher, hooked, tubeless ready 

Internal Width 21mm 

External Width 32mm 

Rim Depth 45mm 

Spoke Count 20h (front), 24h (rear) 

ERD 549mm 

Max Tire Pressure 120psi 

Rec. Tire Size 23-32c 

Weight Limit 100kg/220lbs 

Brake Compatibility Disc Only 

Extras Tubeless tape 

Model Code SKU Product

HP8222U HP8222U1042 R 45 Rear Shimano 700 142x12mm

HP8232U HP8232U1042 R 45 Rear XDR 700 142x12mm

HP8242U HP8242U1010 R 45 Front 700 100x12mm