Overfast Aerox Aero Carbon Crank (select arm length and BB type)

£555.00 GBP

Taxes included. Shipping calculated at checkout.

A premium lightweight aero crankarm system designed for riders who want low weight, improved aerodynamic shaping, direct power transfer and modern fit flexibility for road racing, time trials, triathlon and high-end custom bike builds.

Key Overfast Aerox Aero Features

Aero-profiled carbon crank arms designed to reduce drag around the drivetrain area
Lightweight construction with claimed weights from approximately 315g to 325g depending on spindle option
Available with 24mm titanium spindle or 29mm SRAM DUB-style spindle for broad road frame compatibility
EASTON-compatible spider interface as standard, with SRM-compatible option for power meter-focused builds
Multiple crank length options from 155mm to 172.5mm for modern fit, aero positioning and rider-specific biomechanics

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Bottom Bracket (type)

Crank Arm Length (mm)

Spider Compatibility

SKU: OVF-AEROX-TI24-155-EAS
Barcode: 76932523

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Material: Carbon fibre crank arms

Spindle Options:

24mm titanium spindle, Shimano-style bottom bracket compatibility
29mm DUB spindle, SRAM DUB-style bottom bracket compatibility

Claimed Weight:

Approximately 315g for 24mm titanium spindle version
Approximately 325g for 29mm DUB spindle version
Weight tolerance: approximately plus or minus 15g

Spider Interface Options:

EASTON-compatible spider interface
SRM-compatible spider interface option

Chainline: 44mm

Q-Factor:

147mm for DUB version
148mm for 24mm titanium spindle version

Crank Length Options:

155mm
157.5mm
160mm
162.5mm
165mm
167.5mm
170mm
172.5mm

Included:

Overfast Aerox Aero Carbon Crank, spindle selected by customer
Spider interface selected by customer
Required fitting hardware

Chainring: Sold separately

Aero Carbon Crankarm Profile

The Overfast Aerox Aero Carbon Crank is shaped to reduce drag around the crank area, an often-overlooked part of the bike’s airflow profile. While wheels, frames and handlebars usually receive the most aerodynamic attention, the crank area sits in turbulent airflow and can still contribute to marginal gains on high-speed road and triathlon bikes.

Carbon Fibre Construction

The carbon crank arms are built to reduce weight while maintaining stiffness for efficient power transfer. The result is a crankarm system designed to feel sharp under load during sprinting, climbing and sustained aero-position efforts.

24mm Titanium Spindle Option

The 24mm titanium spindle option is aimed at riders using Shimano-style bottom bracket platforms. Titanium keeps weight low while offering good strength and corrosion resistance, making it attractive for high-end road bikes and custom builds.

29mm DUB Spindle Option

The 29mm DUB version suits SRAM DUB-style bottom bracket systems. This makes the Overfast Aerox Aero Carbon Crank a strong option for SRAM AXS road builds, aero road bikes and modern performance frames.

EASTON-Compatible Spider Interface

The EASTON-compatible spider interface gives riders flexibility with chainring and spider options. It suits custom setups where riders want to choose specific chainring sizes, 1x or 2x configurations, or compatible aftermarket spider systems.

SRM-Compatible Spider Option

The SRM-compatible option is valuable for riders building around a spider-based power meter. This makes the Overfast Aerox Aero Carbon Crank attractive for racers, triathletes and performance riders who rely on accurate power data.

Short Crank Length Availability

The availability of shorter crank lengths is a major strength. Shorter cranks are increasingly popular for riders seeking better hip clearance, improved aero positioning, smoother cadence and reduced knee or hip restriction during long rides.

44mm Chainline

The 44mm chainline is designed around modern road and performance drivetrain setups. Correct chainline is essential for smooth shifting, low drivetrain noise and efficient chain movement.

Crank Length Options:

155mm
157.5mm
160mm
162.5mm
165mm
167.5mm
170mm
172.5mm

Crank Length Guidance:

155mm to 160mm: Ideal for smaller riders, junior riders, triathlon positions and aggressive aero fits
162.5mm to 165mm: Strong modern road fit for riders wanting cadence, comfort and hip clearance
167.5mm to 170mm: Balanced road race and endurance fit for many riders
172.5mm: Traditional road fit for taller riders or riders who prefer longer crank leverage

Spindle and Bottom Bracket Options:

24mm titanium spindle
29mm DUB spindle

Q-Factor:

147mm for DUB version
148mm for 24mm titanium spindle version

Chainline:

44mm

Claimed Weight:

315g for 24mm titanium spindle version
325g for 29mm DUB spindle version
Plus or minus 15g tolerance

Fit Checklist Before Purchase:

Confirm your frame bottom bracket standard.
Confirm whether your build requires 24mm titanium or 29mm DUB spindle compatibility.
Select the correct crank length based on bike fit.
Confirm spider compatibility with your intended chainring or power meter.
Confirm chainline requirements for your drivetrain.
Check front derailleur compatibility if using a 2x setup.
Check frame clearance around the crank arms and chainrings.
Confirm your bottom bracket is in good condition before installation.
Use a qualified mechanic for torque, preload and shifting setup.

The Overfast Aerox Aero Carbon Crank is best suited to performance-focused riders who want an aero crank upgrade with low weight, modern crank length options and strong power meter compatibility.

Long-form independent reviews of the Overfast Aerox Aero Carbon Crank are limited because it is a newer specialist aero crank product.

Product Care

Use a qualified mechanic for installation.
Confirm bottom bracket compatibility before fitting.
Use correct torque settings on crank bolts, preload hardware and spider interface.
Inspect crankarms after crashes, pedal strikes or transport damage.
Keep the crank and bottom bracket area clean.
Avoid pressure washing around the bottom bracket.
Check for creaks, play or unusual movement during regular servicing.
Keep chainrings clean and correctly torqued.
Replace worn chains before they damage chainrings.
Have chainline and front derailleur setup checked after installation.
Do not use incompatible spiders, chainrings, pedals or bottom bracket parts.

Warranty Information

Warranty coverage is subject to Overfast or retailer terms and conditions.
Warranty generally applies to manufacturing defects in materials or workmanship.
Crash damage, incorrect installation, over-torquing, incompatible bottom brackets, incorrect spider fitment, pedal thread damage, impact damage and normal wear are generally not covered.
Crank life depends on installation quality, rider power, terrain, pedal installation, bottom bracket condition and maintenance.
Professional installation is strongly recommended because crankarms are safety-critical drivetrain components.