The Helix R 12-speed sprocket is an upgrade for any SRAM Eagle or Shimano drivetrain. It offers the widest range and the lowest weight of any cassette available on the market.
Compatibility: Both the Helix R 11-speed and 12-speed sprockets work flawlessly with Shimano and SRAM 12-speed drivetrains, despite the challenges in design for the different tooth spacing and chain behavior.
Performance: The improved performance of the new Helix sprockets from e*thirteen is characterized by excellent Shimano 12-speed shifting performance and enhanced reliability of the steel and aluminum components. The new intergalactic PVD coating is twice as durable as anodized models.
• Type: Sprocket
• Material Type: Steel
• Purpose: Chain shifting sprocket
• Design: Sprocket unit
• Number of Speeds: 12
• Compatibility: Shimano
• Gear Ratio (Teeth): 9 teeth - 36 teeth.
Number of teeth smallest pinion | 9 x |
Number of teeth largest pinion | 36 x |
Gradation of pinion sizes | 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36 |
Number of pinions | 12-speed |
Item number | 14485424 |
Manufacturer | e*13 |
Category | Bike cassettes |
Manufacturer no. | FW2URA-107 |
Release date | 14/12/2020 |
Colour | Silver |
Exact colour description | Silver |
Material group | Metal |
Material | Steel |
Bike area of use | Mountain bike |
Number of pinions | 12-speed |
Gradation cassette | 9-36 |
Gradation of pinion sizes | 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36 |
Number of teeth smallest pinion | 9 x |
Number of teeth largest pinion | 36 x |
Model year | 2021 |
Country of origin | Taiwan |
CO₂-Emission | |
Climate contribution |
Length | 22 cm |
Width | 21 cm |
Height | 5 cm |
Weight | 324 g |
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