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SRAM RED E1 DUB Crank Arms 
SRAM Force D2 Crank Arms 
SRAM Force D1 Crank Arms 
Quarq DZero DUB Crank Arms All of these cranks feature an 8-bolt interface and carbon fiber layup. SRAM has two versions of RED crank arms, their latest iteration is labeled RED E1. The SRAM RED E1 crank arms are the top of the line offering at $400, whereas the SRAM Force and Quarq DZero, which both share the same carbon layup, and are priced at $211. The SRAM RED and Force D1 are available in either DUB or GXP versions. The SRAM RED E1, Force D2 and Quarq DZero are available in DUB only.
In addition, since these cranks all use the same 8-bolt interface, you can mix and match any SRAM or Quarq crank arm with any SRAM or Quarq power meter (just make sure the cranks and power meter are the current generation).
SRAM RED E1 Crank Arms
Cost: $400
Versions: DUB
Lengths Available: 160 mm, 165 mm, 167.5 mm, 170 mm, 172.5 mm, 175 mm
Material: Carbon Fiber
Spindle Size: DUB: 29 mm
Weight: 311 grams (172.5)
Compatible with: SRAM DUB Bottom Brackets
Interface: SRAM 8-bolt
SRAM RED Crank Arms
Cost: $410
Versions: DUB and GXP
Lengths Available: 165 mm, 167.5 mm, 170 mm, 172.5 mm, 175 mm
Material: Carbon Fiber
Spindle Size: DUB: 29 mm | GXP: 22/24 mm
Weight: DUB 340 grams (172.5) | GXP: 402 grams (172.5)
Compatible with: SRAM DUB and GXP Bottom Brackets
Interface: SRAM 8-bolt
SRAM Force D2 Crank Arms
Cost: $211
Versions: DUB
Lengths Available: 165 mm, 167.5 mm, 170 mm, 172.5 mm, 175 mm
Material: Carbon Fiber
Spindle Size: DUB: 29 mm
Weight: 480 grams (172.5)
Compatible with: SRAM DUB Bottom Brackets
Interface: SRAM 8-bolt
SRAM Force D1 Crank Arms
Cost: $211
Versions: DUB and GXP
Lengths Available: 165 mm, 167.5 mm, 170 mm, 172.5 mm, 175 mm
Material: Carbon Fiber
Spindle Size: DUB: 29 mm | GXP: 22/24 mm
Weight: DUB 480 grams (172.5) | GXP: 504 grams (172.5)
Compatible with: SRAM DUB and GXP Bottom Brackets
Interface: SRAM 8-bolt
Quarq DZero Crank Arms
Cost: $211
Versions: DUB
Lengths Available: 165 mm, 167.5 mm, 170 mm, 172.5 mm, 175 mm
Material: Carbon Fiber
Spindle Size: 29 mm
Weight: 478 grams (172.5)
Compatible with: SRAM DUB Bottom Brackets
Interface: SRAM 8-bolt
Do you know if the dzero is compatible with the SRAM Rival cranks they used to do an aluminum version of the dzero but that is now discontinued.
Hi and thanks for the question.
Although the Quarq DZero Dub and the aluminum Rival AXS crank share the same 8 bolt mounting pattern, SRAM has designed the DZero power meter spider to be compatible with their AXS Force and Red carbon cranksets only.
Thanks,
Hi – are the Quarq DZero Crank Arms compatible for non-boost DUB mtb applications with a 49mm chain line? Looking at these to replace the XX1 non-boost crank arms that are currently paired with the SRAM XX1 Eagle DUB Power Meter.
Thank you!
-Ted
Hi Ted and thanks for the question.
No. The Quarq DZero crankarms are designed specifically for Road and Gravel applications. You will want to stick to MTB-specific cranks.
Thanks,