SunRace DLM-33 3x7 Speed Trigger Shifter Set – Black MTB Bicycle Gear Levers – Shimano Compatible.

🔹 SPECIFICATIONS

• Brand: SunRace

• Part Type: Trigger Shifter Set

• Model: DLM-33

• Shifter Style: Trigger / Rapid-Fire

• Speeds: 3x7 (21-Speed Drivetrain)

• Indexing Type: Indexed – 2:1 Actuation Ratio (Shimano Compatible)

• Color: Black

• Material:

  • Reinforced polymer composite body

  • Steel internal ratchet and spring components

  • Clear acrylic optical gear display

• Left/Right/Pair: Pair (Front + Rear Shifters)

• Sold As: Set (2 pieces)

• Mount Type: Integrated handlebar bracket (no removable clamp)

• Handlebar Fit: Standard 22.2 mm (7/8”) diameter

• Gear Display: Integrated optical gear indicators

• Weight: Approx. 240 grams (pair with cables)

• Country/Region of Manufacture: Taiwan

🔹 DIMENSIONS

• Handlebar Fit: 22.2 mm (7/8”)

• Lever Length (avg.): 45–50 mm

• Item Width: 90 mm

• Item Height: 40 mm

• Cable Length: Standard-length stainless inner cables pre-installed

🔹 COMPATIBILITY

✅ Fully Compatible With:

• Shimano 7-Speed Rear Derailleurs (Tourney, Altus, Acera, Alivio, etc.)

• Shimano 3-Speed Front Derailleurs (MTB, hybrid, and comfort bikes)

• Shimano SL-M310 / EF-51 / EF-500 equivalent trigger shifters

• Shimano 2:1 SIS Indexing Systems

• SunRace Derailleurs using Shimano-standard actuation

• Standard 7-speed freewheel or cassette systems

❌ Not Compatible With:

• SRAM 1:1 actuation systems (MRX, X3, X4, Rocket, Attack, etc.)

• MicroSHIFT 1:1 systems

• Drop-bar or road shifters

🔹 FEATURES & PERFORMANCE

• ✅ Shimano-Compatible Design:

  • Fully compatible with Shimano 3x7-speed derailleurs and drivetrains using the 2:1 cable pull ratio.

  • Works as a direct replacement for Shimano SL-M310 or EF-500 shifters.

• Precise Indexed Shifting:

  • Distinct click feedback for each gear position ensures accurate shifting.

• Dual-Lever Control:

  • Separate thumb and index triggers allow fast and intuitive upshifts/downshifts.

• Integrated Optical Gear Indicators:

  • Clear windows display current gear at a glance — helpful for casual or recreational riders.

• Integrated Handlebar Mounting Design:

  • No separate clamp ring — slides directly onto standard 22.2 mm handlebars for a clean fit.

• Durable Construction:

  • Reinforced composite body with metal internals for long-lasting performance.

• Compact & Lightweight:

  • Streamlined housing and low-profile design complement flat-bar setups.

• Easy Installation:

  • Pre-fitted with inner stainless cables for quick plug-and-play replacement.

🔹 COLOR & FINISH

• Primary Color: Matte Black

• Accents: White printed gear markings with red indicator pointer

🔹 IDEAL FOR

• Mountain Bikes (MTB)

• Hybrid / Trekking Bicycles

• City / Comfort Bicycles

• 21-Speed Drivetrains

• Replacement for Shimano SL-M310 or EF-500-style trigger sets

🔹 PACKAGING CONTENTS

• 1 × Left 3-Speed Trigger Shifter

• 1 × Right 7-Speed Trigger Shifter

• 2 × Integrated Stainless Shift Cables (pre-installed)