SRAM

Red GXP 34/50 Crankset No Cups 177.5mm

Fatigue, flex, and friction, enemies all, and they'll rob you of speed and performance over both the short and long hauls. The SRAM Red Crankset does its part to keep them from affecting your ride. The integrated carbon spider''s design is lightweight and extremely stiff, allowing for instant, efficient power transfer.

Red Series Cranks Feature:

• Compatible with all 10-speed drivetrains
• Large hollow CroMoly spindle on four external cartridge bearings
• 5 and 6mm hex aluminum chainring bolts
• Hard anodized AL-7075-T6 PowerGlide chainrings
• Cup/bearing set is sold separately
• One-piece carbon fiber arm/spider with aluminum skeleton in arm only
• Chainrings are extra-stiff for optimal shifting performance in race conditions
• Compatible with SRAM chains

Confused about bottom bracket standards and what it is you need? Here''s a comprehensive look at the subject: The Bottom Bracket (Un)Standard blog post.