Helix R SRAM Direct Mount Chainrings offer a true upgrade solution for SRAM 3-Bolt MTB crank users (including DUB), to achieve cross compatibility with both SRAM and Shimano 11 and 12-speed drivetrains.
-3mm offset (Boost chainline)
Compatible with SRAM 3-Bolt Direct Mount cranks and 11 and 12 speed SRAM and Shimano chains
Forged from 7075- T7 aluminum, then extensively CNC optimized for industry leading weights, and a unique high-end full CNC aesthetic
Tough enough for any MTB discipline
Specifications & Identifiers
Chain Compatibility
10-Speed, 11-Speed, 12-Speed
Chainline/Hub Compatibility
141/148 Boost Hubs
Chainring BCD
Direct Mount - SRAM
Chainring Position
Chain Retaining Single Ring
Color
Bronze, Eggplant Purple, Naranja Orange
Defined Color
Brown, Orange, Purple
Designed for ebike
No
Direct Mount Type
Direct Mount SRAM, Direct Mount SRAM 3-Bolt
Intended Use
Mountain
Material
Aluminum
Offset
3mm
Round or Oval
Round
Special Features
Narrow-Wide Tooth Profile
Speeds
11-Speed, 12-Speed
Tooth Count
28t, 30t, 32t, 34t
Weight
64
Bronze - 28t UPC
4711280340118
Bronze - 28t MPN
CR4HRA-136
Bronze - 30t UPC
4711280340125
Bronze - 30t MPN
CR4HRA-137
Bronze - 32T UPC
4711280340132
Bronze - 32T MPN
CR4HRA-138
Bronze - 34T UPC
4711280340149
Bronze - 34T MPN
CR4HRA-139
Eggplant - 30t UPC
4711280340040
Eggplant - 30t MPN
CR4HRA-129
Eggplant - 32T UPC
4711280340057
Eggplant - 32T MPN
CR4HRA-130
Eggplant - 34T UPC
4711280340064
Eggplant - 34T MPN
CR4HRA-131
Gray - 28t UPC
4710751509993
Gray - 28t MPN
CR4HRA-124
Gray - 30 UPC
4711280340002
Gray - 30 EAN
4711280340002
Gray - 30 MPN
CR4HRA-125
Gray - 34 EAN
4711280340026
Gray - 34 MPN
CR4HRA-127
Naranja - 28t UPC
4711280340071
Naranja - 28t MPN
CR4HRA-132
Naranja - 32T UPC
4711280340095
Naranja - 32T MPN
CR4HRA-134
Naranja - 34T UPC
4711280340101
Naranja - 34T MPN
CR4HRA-135
Tree Fort ID:
333222457695
Have Experience With This?
or
Customer Questions
not logged-in log-in to receive an emailed response