R1WURKS (B7 / B84 Series) Rear Hub Set, HRC, Aluminum Nut Driver x2 Ball diff ring

x2 Ball diff ring

Better agility and responsiveness when cornering

Weighing in at 650 grams

ST23X IRJ Outdrive

R1WURKS (B7 / B84 Series) Rear Hub Set, HRC, Aluminum Nut Driver x2 Ball diff ringR1WURKS (B7 B84 Series) Rear Hub Set, HRC, Aluminum These High Roll Center (HRC) Hubs offer a raised axle position, making them ideal for high grip surfaces, especially when using smaller diameter tires. These hubs not only deliver enhanced durability and a more responsive feel, but they also offer the ability to fine tune unsprung weight. Each hub weighs just 0. 05g more than the standard plastic version, making them nearly identical in weight.