SRAM Rival E1 Crank Arm Set (165mm, DUB, 8-bolt)
You’re looking at the crank arms only, not a full crankset. This is the
SRAM Rival E1 DUB Crank Arm Assembly 165mm (part no. 00.6118.747.001).
What this actually is
-
Crank arms only (left + right)
- ❌ No chainrings
- ❌ No bottom bracket
- ❌ No power meter
Think of it as a modular base you build into a full crankset.
Key specs (simplified)
-
Length: 165 mm (shorter crank option)
-
Material: Aluminum (optimized stiffness/weight)
-
Interface: 8-bolt direct mount
-
Spindle: DUB
-
Speeds: 12 / 13-speed compatible
-
Chainline: 44.7 mm (standard road)
-
Compatibility:
- SRAM AXS spiders (power + non-power)
- Direct mount chainrings
What you still need
To actually use this, you’ll need:
- ✅ Chainrings or AXS spider + rings
- ✅ DUB bottom bracket (frame-specific)
- ✅ Optional: power meter (if desired)
Why this exists (modular SRAM system)
SRAM moved to a modular ecosystem, meaning:
- One crank arm set → multiple setups:
- 2x road (46/33, 48/35, etc.)
- 1x gravel (40T, 42T, etc.)
- Power meter upgrade later
This crank is basically your foundation piece
Why 165 mm matters
Shorter crank arms are becoming more popular:
Benefits
- Better cadence efficiency
- Less hip impingement (especially in aero positions)
- Great for:
- Smaller riders
- TT / aero bikes
- High-cadence riders
Trade-offs
- Slightly less leverage vs 170–175 mm
- Some riders need time to adapt
Rival vs Force vs Red (quick context)
| Group |
Material |
Weight |
Position |
| Rival |
Aluminum |
Heavier |
Value/performance |
| Force |
Carbon |
Lighter |
Mid-high |
| Red |
Carbon (top-tier) |
Lightest |
Race |
???? Rival = durable, cost-effective, slightly heavier
Pros
- Strong stiffness-to-weight for alloy
- Modular (future upgrades easy)
- Compatible with power meters
- Durable for gravel + road use
Cons
- Not a complete crankset
- Heavier than carbon options
- Requires extra parts → higher total cost if starting from scratch
Who this is for
Good if you:
- Already have SRAM AXS components
- Want to replace worn crank arms
- Plan to build a custom crank setup
- Prefer durability over ultra-lightweight
Not ideal if:
- You want a plug-and-play crankset
- You don’t want to deal with compatibility choices
Bottom line
This is a solid, modular crank arm set, but it’s only one piece of the system. It makes the most sense if you’re already in the SRAM AXS ecosystem or planning a custom build.
