Features

• Deep Tooth Structure Design – Enhances chain engagement, reduces noise, and minimizes chain skipping for smoother shifting.

• Full Ceramic Bearings – Self-lubricating and maintenance-free, delivering ultra-lightweight, quiet, and durable performance.

• Anodized Surface Finish – Improves corrosion and impact resistance for extended outdoor durability.

• 18T Hollow Eccentric Design – Lightweight construction reduces friction and promotes quicker shifting response with less effort.

• Wide Compatibility – Compatible with most 9/10/11-speed systems, including Shimano R8000/R7000, LTWOO (ERX/ER9/R9/R7), and Magene QED.*

Specifications

• Origin: Mainland China

• Body Material: Aluminum Alloy + Ceramic Bearing

• Color Options: Multicolor

• Dimensions: Approx. 7.3 × 7.3 cm (2.87 × 2.87 in)

• Net Weight: Approx. 28 g

• Compatibility: Fits Shimano 9/10/11 speeds; LTWOO ERX/ER9/R9/R7; Magene QED

Notes

• *Not compatible with LG long-arm derailleurs or certain models with locking slots. Please verify compatibility before purchase.

• Slight color variations may occur due to display or lighting differences.

• Product size may have a 1–2 cm tolerance from manual measurement.