• CNC High Precision Process: Precise CNC cutting exquisite technology, smooth surface without roughness
• Positive and Negative Teeth Single Tooth Disc: Fully articulated chains are great for preventing chain drops on daily or off-road cycling
• Hollow Integrated Design: Ultra-light aluminum alloy and crank tooth plate with high strength and rigidity, easy to install
• T6 Heat-Treated Forged Crank: All aluminum alloy forging high hardness, strong impact, and corrosion resistance
• Hollow Shaft: Cr-Mo material, durable and tough high temperature and corrosion resistance Lightweight and impact resistance

Specifications:

• Material: 6061 Aluminum alloy
• Weight: About 813g (Chain wheel + Crank + Bottom shaft)
• Size: BCD: 96mm; Crank center hole 170mm
• Tooth: 34T
• Features: Lightweight, stable, CNC process, strong compatibility