ZRACE | ZRACE RX2 Road / Gravel Crankset High-Precision CNC Machining Ultra-Strong Alloy Shaft 165/170 53-39/52-36/50-34/40/42/44T

The RX2 is ZRACE's latest 2026 aluminumcrankset, designed to racing standards. The crank body is machined from asingle piece of 7075 aluminum alloy using high-precision CNC machining. Itfeatures a 29mm axle made of 7050 high-strength aluminum alloy. It shares theRoad Chainring with the ZRACE UNCHAINED PRO carbon crankset, but also has aspecially designed Gravel Chainring. Both chainrings are manufactured using thehighest standard 7075 aluminum alloy and are fully CNC machined.Brand: ZRACE Model: RX2 Crank Material: 7075AL Axle Material: 7050AL Process: CNC B.C.D: Direct Mount Q-Factor: 151mm Chainline: Road 45mm / Gravel 49.7mm BB Spindle: 29mm High Strength Alloy Axle BB Compatibility: BB-BSA29R, BB86-29R,BB30-29R, BB386-29RBBRight-29R, PF30-29R, ITA-29R, T47-68-29R, T47-77A-29R,T47-85.5-29R Crank Weight: 165mm 545g ±3g / 170mm 552g±3g Chainring Weight: 53-39T 221+-3g / 52-36T195g+-3g / 50-34T 178g+-3g / 44T 115g+-3g / 42T 111g+-3g / 40T 99g+-3gPurchase link for the bottom bracket:https://www.aliexpress.us/item/2255800644895165.html