MEROCA Ceramic Bearing Mountain Bike Guide Wheel(13T Black)

The MEROCA Ceramic Bearing Mountain Bike Guide Wheel is designed for mountain bikes. It functions as a guide wheel to improve chain performance.

• Product type: Guide wheels
• Material: High strength aluminum alloy + ceramic bearing
• Key feature: Wear-resistant and durable
• Color: Black
• Intended use: Everyday use
• Using 7075 high-strength aluminum alloy
• CNC machining and anodizing
• Ceramic bearing reduces friction and increases strength
• Deep tooth marks reduce chain drop
• Clearer speed change and more stable winding
• Includes 2 reducing sleeves for compatibility and flexible rotation
• Specifications: Use 4/5/6mm shaft guide wheel
• Supports most rear dials, 8/9/10/11 speed
• Guide wheel selection: Choose the same size as the original guide wheel or a smaller size
• Size: 11T diameter is about 41mm, 13T diameter is about 49mm
• Weight: 11T about 6.9 grams, 13T about 7.7 grams