• Made of high-strength aluminum alloy, CNC processed, strong and durable
• Light weight, high strength, easy to carry in your pocket
• Prevent the bicycle chain from falling off the chain pieces during driving

Specification:

• Applicability: suitable for front derailleur single-piece chainring system
• Material: 7075-T6 aluminum alloy
• Weight: 143g
• Applicable number of teeth: 32T-38T