SunRace FDMS20 Front Derailleur 3 x 10 Speed Dual Pull.

Designed for 3 x 10-speed set-ups, the SunRace FDMS20 Front Derailleur supports triple chainring compatibility with a top-swing design and dual-pull operation. A matt chrome plated chain guide helps deliver consistent shifting across the chainrings, while the alloy base bracket and clamp are paired with stainless bolts for a considered, durable finish.

Built to work within defined drivetrain parameters, it offers a top-low maximum capacity of 18T and a top-middle minimum capacity of 10T, with compatibility for a 40-30-22T chainring combination. A multi clamp insert adds fitting flexibility, and the specified chainstay angle range of 66–69 degrees helps ensure correct alignment during installation. With a stated weight of 145g, it’s a practical choice for riders maintaining or upgrading a compatible 10-speed triple drivetrain.

Key features

• Model number: FDMS20
• 3 x 10-speed compatible
• Triple chainring compatible
• Top-swing design
• Dual-pull operation
• Matt chrome plated chain guide
• Alloy base bracket and clamp with stainless bolts
• Weight: 145g

Specifications

• Top-low maximum capacity: 18T
• Top-middle minimum capacity: 10T
• Compatible chainring combination: 40-30-22T
• Chainstay angle: 66–69 degrees
• Multi clamp insert