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Crankset11 speedPartial spec

Quarq DFour DFour91 Power Meter Chassis

Lists today at $1,179

Own a Quarq DFour DFour91 Power Meter Chassis?

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What a used one is worth

New

$1,179

$1,002 to $1,179

Like new

$1,120

$952 to $1,179

Excellent

$1,061

$902 to $1,167

Good

$884

$752 to $973

Fair

$648

$551 to $713

For parts

$354

$301 to $389

From the current list price, adjusted for condition. Guidance from our catalog, not an appraisal.

Overview

Brand
Quarq
Series
DFour
Model
DFour91 Power Meter Chassis
Model number
PM-D4-A1
Type
Crankset
Speeds
11
Years
2019
Current list price
$1,179 (as of 2019-08)

Compatibility

Spindle
30mm, sram_gxp

Specifications

Battery
CR2032 coin cell, about 200 h, tool free change
Cadence
accelerometer (no magnet)
Sold as
chassis (Exogram carbon arms plus DFour91 spider)
Material
carbon
Weight g
594
Protocols
ANT+, Bluetooth LE
Meter type
spider
Waterproof
IPX7
Power meter
true
Q factor mm
145
Accuracy pct
1.5
Arm lengths mm
162.5, 165, 170, 172.5, 175, 177.5
Chainrings fit
designed for Dura-Ace R9100; also fits Ultegra R8000 and 105 R7000 (cosmetic mismatch)
Power channels
dual
Bottom brackets
GXP, Press Fit GXP, BB30, Press Fit 30, BBright, BB386EVO, BB30A, PF30A
Chainring mount
shimano_110_4arm

DFour version for Shimano R9100 era chainrings. Years are only the first party evidence found (quarq.com page captured August 2019); launch date and launch price not found.

For sale now

None listed right now. Save a search in the app and get told when one appears. Parts are local pickup at launch.

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