Sram FC XX 170 Q156 39-26 BB30 FC XX Q156 BB30 2.2 170 2639 No BB N

The SRAM XX FC Crankset 170mm Q156 BB30 – 39/26T is built for elite cross-country racers who demand maximum efficiency and lightweight performance. With a narrow Q-Factor of 156mm, it provides a more aerodynamic and aggressive pedaling stance, while the 39/26T 2x10 chainring setup balances steep climbing capability with high-speed efficiency. The BB30 spindle system ensures optimal stiffness and power transfer, making it the choice for serious competitors.

Key Features

• 2x10-Speed Design – Optimized 39/26T chainrings for racing versatility.

• 170mm Crank Arm Length – Perfect balance of stiffness and lightweight performance.

• Q156 Narrow Stance – More aerodynamic pedaling position for competitive riders.

• BB30 Spindle Interface – Lightweight, stiff, and efficient bottom bracket system.

• Carbon Construction – Strong, stiff, and race-ready lightweight design.

• No Bottom Bracket Included – Compatible with SRAM BB30 bottom brackets.

• Intended Use – Cross-country and marathon racing.