Tetkro ED 9 Gropu Set - Shifter. Derailiuer, and Cassette

The Tektro ED9 groupset is specifically designed for e-bikes, offering a robust and efficient shifting system. Here’s a detailed look at its components:

• Tektro ED9 Derailleur
  
• Model: Available in two versions - RD-M350 with a clutch and RD-T350 without a clutch.
  
• Speed: 9-speed.
  
• Material: Steel cage for enhanced durability.
  
• Weight: RD-M350 weighs 361 grams, while RD-T350 is slightly heavier at 378 grams.
  
• Features: The clutch mechanism in the RD-M350 ensures higher chain tension, which is particularly beneficial for e-bikes12.
  
• Tektro ED9 Cassette
  
• Model: CS-M350-9.
  
• Speed: 9-speed.
  
• Range: 11-46 teeth.
  
• Material: Steel.
  
• Weight: 545 grams.
  
• Features: The smallest three sprockets (11, 13, and 16 teeth) are replaceable, which helps reduce maintenance costs and extends the cassette’s lifespan12.
  
• Tektro ED9 Shifter
• Model: SL-M350-9R.
  
• Speed: 9-speed.
  
• Material: Aluminum and PA6.
  
• Weight: 105 grams.
  
• Features: Allows for a maximum of three multiple shifts with the advance lever12.