e*thirteen Helix R Guidering Direct Mount Chainring
The Helix R Guidering chainring by e*thirteen for Boost or Super Boost
This Helix R Guidering chainring by e*thirteen is attached to the Helix cranks via Direct Mount and delivers strong, reliable performance in combination with SRAM or Shimano drivetrains. Depending on how you mount it, it serves a boost or a super boost chainline.
Specifications:
- Application:
 - Cross Country, All Mountain, Enduro
 - Mount:
 - e*thirteen Direct Mount
 - Teeth:
 - 28 T, 30 T, 32 T, 34 T
 - Gearing:
 - 1x11-speed, 1x12-speed
 
Technical Information:
- Offset:
 - 3 mm
 - Material:
 - aluminium (7050-T7)
 
Compatibility:
- Boost / Super Boost chain line
 - Shimano chains
 - SRAM chains
 - e*thirteen Helix cranks
 
Features:
- can be used for boost or super boost chain line thanks to its flip-flop design
 - made of forged, CNC-machined aluminium
 - light and resistant
 - low-noise interface for Helix cranks
 
Colour Info:
- intergalactic:
 - blue
 
Manufacturer Numbers:
- intergalactic / 28 tooth:
 - CR4HRA-100
 - intergalactic / 30 tooth:
 - CR4HRA-101
 - intergalactic / 32 tooth:
 - CR4HRA-102
 - intergalactic / 34 tooth:
 - CR4HRA-103
 - grey / 28 tooth:
 - CR4HRA-104
 - grey / 30 tooth:
 - CR4HRA-105
 - grey / 32 tooth:
 - CR4HRA-106
 - grey / 34 tooth:
 - CR4HRA-107
 
Contents:
- 1 x e*thirteen Helix R Guidering Direct Mount chainring
 
Manufacturer:
1445 Technology Lane STE A9
Petaluma
CA 94954
USA
support@ethirteen.com
Distributor:
Leyher Straße 47
90763 Fürth
Germany
info@cosmicsports.de
- Shipping in 1-3 business days
 - 100-day return policy
 - Free returns
 - 25+ years of experience
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 









 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
