• 【Chain Drop Protection】Specifically designed for folding bicycles to effectively prevent chain derailment, ensuring safe and stable riding experience.

• 【Ultra-Lightweight Design】Weighs only 13.9g per piece, maintaining the lightweight characteristics of folding bikes without adding unnecessary burden.

• 【Wide Compatibility】Fits crankset areas with tube diameters of 39-42mm, compatible with most folding bicycle models for versatile use.

• 【Adjustable Clamping System】Features adjustable clamping structure with M5 hex bolt locking system for convenient and secure installation and removal.

• 【Durable Construction】Made from high-quality nylon material with robust structure that withstands long-term use and frequent folding operations.

• 【Precision Engineering】Precisely sized with 72.5mm outer diameter and 44.2mm height to perfectly match crankset chain guide area for reliable protection.

Specifications:

• Material: Nylon
• Outer Diameter: 72.5mm
• Height: 44.2mm
• Compatible Inner Diameter: 39-42mm
• Net weight: 13.9g

Note: This is not suitable for use with a multi-speed crankset; it is only suitable for use with a single-speed crankset.