e.thirteen Helix Plus Cassette 12-speed - 9-50 teeth - black

Developed for e-bike durability and cross-experience compatibility with SRAM™ and Shimano™ drive systems.

This 9-50 teeth combination is the hot setup for your 12-speed MTB and allows for a 2 teeth smaller front chainring, shorter chain length, more clearance, and range with our exclusive smallest 9-tooth sprocket.

Future-proof your bike, save weight and money with the Helix Plus cassette. 

 
Features:

• E*spec for use with e-bikes improved 
• Designed to shift seamlessly with Shimano™ and SRAM™ systems, allowing the rider to change components without concerns
• e*thirteen's wider range and 9 teeth allow the rider to use a 2 teeth smaller chainring for more clearance and less weight
• Material: 7075 aluminum (sprockets 42-50 T) and heat-treated chromoly steel (sprockets 9-36 T)
• Optimized shifting performance and connection of aluminum and steel sprocket parts
• Gradation: 9-11-13-15-17-20-23-27-32-37-43-50 teeth (556%)
• Compatible with Shimano™ and SRAM™ 12-speed drives with optimized shifting performance
• Fits SRAM™ XD™ driver freehub body
• Weight: 410 g