Inventory & Shipping
Description
e*thirteen Helix Race Cassette - 12-Speed 13-52t Gray. The e*thirteen Helix Race 12-speed 13-52t cassette features close ratio gearing specifically engineered for steep terrain where climbing time and shift frequency is high and descents are gravity driven. By placing more gears where riders spend the majority of the time they can optimize cadence and torque for improved climbing efficiency with smoother shifts under load for both analog and eBikes.Close ratio gearing cassette for improved shifts under load 
Lower fatigue and extended range (Bio or Battery) with sweet spot cadence for maximum efficiency 
Seamless cross-compatibility with Shimano SRAM and TRP 12-speed drivetrains 
Patented 2-Part design provides strength stiffness light weight and ease of service 
Tested extensively for analog and e-bike use 
Fits XD™ and XDR™ Drivers Only 
- TECH SPECS
| Cassette Body Type | SRAM XD 11/12 Speed | 
| Cassette Body Type | SRAM XDR | 
| Cassette Cogs | 13-15-17-19-22-25-28-32-36-40-45-52 | 
| Color | Gray | 
| Defined Color | Gray | 
| Defined Color | Silver | 
| Designed for ebike | Yes | 
| Drivetrain Speeds | 12 | 
| Range | 13-52 | 
| Weight | 467 | 
                        
                        Item Specific Details
                        
                      UPC: 4711280341467
                       
                       
                       Manufacturer Part #: FW2HRA-110 
                       
                       
                       Model: Helix Race 12-Speed 13-52t Cassette 
 
                       
                       
                        Gray
      
                       Riders also like
Recently viewed

Why Buy From Us?
We offer a fantastic selection of curated cycling products with actual riders behind the scenes ready to help in times of need. We have worked tirelessly to adjust to our changing world to ensure the next time you're in need of a part, we get it to you in an efficient manner. And of course, who doesn't love our Dirt Perks member benefits?

 
                        
                       
                        
                       
                        
                       
                        
                       
                     
                     
                    