ARC MT-039F/R 6-Bolt MTB Disc Hub Set

#	Type	Details
1	Hub Shell Material	AL6061-T6 aluminum alloy（100% Forging）
2	Axle Material	AL7075 aluminum alloy（100% Forging）
3	Freehub Body Material	AL7075 aluminum alloy（100% Forging）
4	End Cap Material	AL7075 aluminum alloy（100% Forging）
5	Disc Brake Interface	Mountain bike disc brake hub (6-bolt, J-bend)
6	Hole Count	F-28H/R-28H;F-32H/R-32H;F-36H/R-36H
7	Hole Diameter	14G
8	Surface Color	Anodized Black
9	Freehub Body Color	Anodized Black
10	Bearing Configuration	S&S Steel Ball Bearings
11	Hub Structure	6 pawls 3 teeth
12	Freehub Body Standard	Shimano HG / Shimano Microspline (MS) / Sram XD
13	Quick Release Included	QR001 MTB quick release
14	O.L.D.	F-9100MM/R-10135MM;F-15100MM/R-12142MM
15	Weight	466.2g±5g

Type

Details

Hub Shell Material

AL6061-T6 aluminum alloy（100% Forging）

Axle Material

AL7075 aluminum alloy（100% Forging）

Freehub Body Material

AL7075 aluminum alloy（100% Forging）

End Cap Material

AL7075 aluminum alloy（100% Forging）

Disc Brake Interface

Mountain bike disc brake hub (6-bolt, J-bend)

Hole Count

F-28H/R-28H;F-32H/R-32H;F-36H/R-36H

Hole Diameter

14G

Surface Color

Anodized Black

Freehub Body Color

Anodized Black

Bearing Configuration

S&S Steel Ball Bearings

Hub Structure

6 pawls 3 teeth

Freehub Body Standard

Shimano HG / Shimano Microspline (MS) / Sram XD

Quick Release Included

QR001 MTB quick release

O.L.D.

F-9*100MM/R-10*135MM;F-15*100MM/R-12*142MM

Weight

466.2g±5g

Engineered with a durable AL6061-T6 aluminum hub shell and reinforced engagement structure to meet the demands of modern MTB riding.

✓ High-Strength Aerospace-Grade 7075 Aluminum Alloy Axle & Freehub Body
The axle, freehub body, and end caps are manufactured from aerospace-grade AL7075 aluminum alloy, enhancing structural stiffness and durability under repeated high-load riding conditions.

✓ 6-Pawl / 3-Tooth Freehub System with 120 Clicks
The 6-pawl / 3-tooth engagement system provides 120 clicks for rapid engagement response, helping reduce engagement delay and deliver more immediate power transfer during acceleration and technical riding.

✓ Multiple Axle Configurations
Available in F-9×100mm / R-10×135mm and F-15×100mm / R-12×142mm configurations, supporting different MTB frame and fork standards.

✓ Flexible Spoke Configurations
Available in 28H, 32H, and 36H front and rear drilling options, providing flexible wheel-building solutions for different riding styles, wheel structures, and load requirements.

✓ 460g Hubset Construction
The optimized hub structure provides a balanced combination of weight, strength, and durability, with a complete hubset weight of 460g for reliable performance across a wide range of MTB riding conditions.

✓ Multiple Freehub Standards Available
HG, Microspline, and SRAM XD freehub standards are available to support different MTB drivetrain configurations.

✓ MTB Quick-Release Compatibility
Compatible with the QR001 MTB quick-release system for applicable quick-release wheel builds.