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  9. Rotor Aldhu Crank Arms - 170mm - Black

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Rotor Aldhu Crank Arms - 170mm - Black
Rotor Aldhu Crank Arms - 170mm - Black
Rotor Aldhu Crank Arms - 170mm - Black
Rotor Aldhu Crank Arms - 170mm - Black
Rotor Aldhu Crank Arms - 170mm - Black
Rotor Aldhu Crank Arms - 170mm - Black
Rotor Aldhu Crank Arms - 170mm - Black
Rotor Aldhu Crank Arms - 170mm - Black
Rotor Aldhu Crank Arms - 170mm - Black
Rotor Aldhu Crank Arms - 170mm - Black
Rotor Aldhu Crank Arms - 170mm - Black

Rotor Aldhu Crank Arms - 170mm - Black

(65 reviews)

Not only are the Aldhu 3D+ Crank Arms some of the lightest cranks ever designed by Rotor, but they're also equipped with Optimal Chainring Position (OCP) to suit your pedaling biomechanics with the use of Oval Q Rings. The OCP mount gives riders precise one-degree adjustments with Direct-Mount Q Rings from Rotor, also working with Rotor's Aldhu 3D+ Spider mounted to 110 BCD Q Rings. Ultimately, OCP adaptability sets the Aldhu 3+ crank system apart from others on the market by tailoring the Q Ring position to suit your individual pedal stroke for increased efficiency. This modular crankset requires the separate purchase of Rotor's Aldhu 3D+ Spindle (30mm), as well as an Aldhu 3D+ Spider with a compatible 110 BCD Ring. And because it's designed with customization in mind, Rotor offers oval and round options in both crankset configurations to suit your particular needs. Rotor employs CNC-machined 7055 aluminum alloy with Trinity drilling technology to produce incredibly lightweight, ultra-stiff crank arms worthy of discerning cyclists and the pros alike. In fact, the Aldhu 3D+ name is derived from a legendary climbing stage in the French Alps that earned Rotor a 2008 victory on the world's most iconic race.

Not only are the Aldhu 3D+ Crank Arms some of the lightest cranks ever designed by Rotor, but they're also equipped with Optimal Chainring Position (OCP) to suit your pedaling biomechanics with the use of Oval Q Rings. The OCP mount gives riders precise one-degree adjustments with Direct-Mount Q Rings from Rotor, also working with Rotor's Aldhu 3D+ Spider mounted to 110 BCD Q Rings. Ultimately, OCP adaptability sets the Aldhu 3+ crank system apart from others on the market by tailoring the Q Ring position to suit your individual pedal stroke for increased efficiency. This modular crankset requires the separate purchase of Rotor's Aldhu 3D+ Spindle (30mm), as well as an Aldhu 3D+ Spider with a compatible 110 BCD Ring. And because it's designed with customization in mind, Rotor offers oval and round options in both crankset configurations to suit your particular needs. Rotor employs CNC-machined 7055 aluminum alloy with Trinity drilling technology to produce incredibly lightweight, ultra-stiff crank arms worthy of discerning cyclists and the pros alike. In fact, the Aldhu 3D+ name is derived from a legendary climbing stage in the French Alps that earned Rotor a 2008 victory on the world's most iconic race.

$335.22 - $711.03

in 4 offers

Size:

165 mm
172.5 mm
175 mm

Rotor Aldhu Crank Arms - 170mm - Black

$335.22

(65 reviews)

Not only are the Aldhu 3D+ Crank Arms some of the lightest cranks ever designed by Rotor, but they're also equipped with Optimal Chainring Position (OCP) to suit your pedaling biomechanics with the use of Oval Q Rings. The OCP mount gives riders precise one-degree adjustments with Direct-Mount Q Rings from Rotor, also working with Rotor's Aldhu 3D+ Spider mounted to 110 BCD Q Rings. Ultimately, OCP adaptability sets the Aldhu 3+ crank system apart from others on the market by tailoring the Q Ring position to suit your individual pedal stroke for increased efficiency. This modular crankset requires the separate purchase of Rotor's Aldhu 3D+ Spindle (30mm), as well as an Aldhu 3D+ Spider with a compatible 110 BCD Ring. And because it's designed with customization in mind, Rotor offers oval and round options in both crankset configurations to suit your particular needs. Rotor employs CNC-machined 7055 aluminum alloy with Trinity drilling technology to produce incredibly lightweight, ultra-stiff crank arms worthy of discerning cyclists and the pros alike. In fact, the Aldhu 3D+ name is derived from a legendary climbing stage in the French Alps that earned Rotor a 2008 victory on the world's most iconic race.

Not only are the Aldhu 3D+ Crank Arms some of the lightest cranks ever designed by Rotor, but they're also equipped with Optimal Chainring Position (OCP) to suit your pedaling biomechanics with the use of Oval Q Rings. The OCP mount gives riders precise one-degree adjustments with Direct-Mount Q Rings from Rotor, also working with Rotor's Aldhu 3D+ Spider mounted to 110 BCD Q Rings. Ultimately, OCP adaptability sets the Aldhu 3+ crank system apart from others on the market by tailoring the Q Ring position to suit your individual pedal stroke for increased efficiency. This modular crankset requires the separate purchase of Rotor's Aldhu 3D+ Spindle (30mm), as well as an Aldhu 3D+ Spider with a compatible 110 BCD Ring. And because it's designed with customization in mind, Rotor offers oval and round options in both crankset configurations to suit your particular needs. Rotor employs CNC-machined 7055 aluminum alloy with Trinity drilling technology to produce incredibly lightweight, ultra-stiff crank arms worthy of discerning cyclists and the pros alike. In fact, the Aldhu 3D+ name is derived from a legendary climbing stage in the French Alps that earned Rotor a 2008 victory on the world's most iconic race.

Size

170 mm
​

Price comparison

Last updated at 16/10/2025 20:31:42

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Price history

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​

Price history

​
​

Reviews

Excellent cranks for everyone!
7 May 2021
ImDobbsy

originally posted on sigmasports.com

Excellent system design
27 August 2021
EB

originally posted on bikeinn.com

Good cranks
26 March 2023
Dave

originally posted on bikeinn.com

Specification

MountDirect mount
Length170mm, 175mm, 172.5mm
Select ColourBlack

Price comparison

Updated about 8 hours ago
Bikeinn.com

$309.99

Low Stock
Cicli Mattio AU

$335.22

Deporvillage.net

$351.89

ccache.cc

$447.99

Low Stock
Chop Shop

$449.99

See 3 more history offers

Saint Cloud

$569.95

Low Stock
velo-perso.com

$762.08

Low Stock
Crooze Australia

$449.00

Low Stock

Price history

​
​

Price history

​
​

Reviews

Excellent cranks for everyone!
7 May 2021
ImDobbsy
originally posted on sigmasports.com
Excellent system design
27 August 2021
EB
originally posted on bikeinn.com
Good cranks
26 March 2023
Dave
originally posted on bikeinn.com
Great product, accurate shipping
2 January 2022
GTNeil
originally posted on bikeinn.com
Integration Of Crankset & Chain Rings
19 March 2022
Stephen I.
originally posted on pushys.com.au
Replacement for Shimano Ultegra R8000 Cranks
29 April 2022
Michael
originally posted on jensonusa.com
Rotor Adhu Crank Arms
21 October 2022
Simon
originally posted on bikeinn.com
Rotor crank arms
11 August 2020
Graham
originally posted on bikeinn.com
Trust rotor
21 June 2022
Ed
originally posted on bikeinn.com
very good cranks
19 September 2022
Sean
originally posted on bikeinn.com

Specification

MountDirect mount
Length170mm, 175mm, 172.5mm
Select ColourBlack