SET MADISON SATIN BLACK

Hub set for track / fixed gear bicycles, CNC-machined through multiple processes from round bars of 6061 aluminum (not forged), with a satin black anodized finish. Design intended for urban and track use.

Axle Adjustment System

This model features an axle adjustment system with bored axle ends:

Axles bored at both ends, with 30 mm depth

Adjustment bolt:

Diameter: 6 mm

Thread pitch: 1

Length: 25 mm

Tool: 5 mm Allen key

Materials

Hub shell: 6061 aluminum

Axle: Siemens Martin steel

Bearing covers: 6061 aluminum

Knurled locknut: AISI 304 stainless steel

Lockring: AISI 304 stainless steel

Bearings

Sealed cartridge bearings, front and rear, The bearing system uses 6000ZZ low-friction sealed ball bearings, providing smooth, stable rotation with minimal internal resistance, contributing to mechanical efficiency 

Front Hub

Hub body material: Satin anodized 6061 aluminum

Axle material: Siemens Martin 1045 steel

Bearing system: Sealed cartridge bearings

Over Locknut Dimension (OLD): 100 mm

Flange diameter: 70 mm

Adjustment system: Bored axle with Allen bolt

Approximate weight: 210 g

Rear Hub

Hub body material: Satin anodized 6061 aluminum

Axle material: Siemens Martin 1045 steel

Bearing system: Sealed cartridge bearings

Over Locknut Dimension (OLD): 120 mm

Flange diameter: 70 mm

Adjustment system: Bored axle with Allen bolt

Rear threading options (user selectable):

Fixed / Fixed

Fixed / Free - (Flip-flop)

Free / Free

Threads:

Fixed cog thread: 1.375" x 24 TPI

Chainline. Lockring thread: left-hand ISO 33 mm (1.299")

Freewheel thread: 30 mm x 26 TPI (14 / 15 teeth)

Approximate weight by configuration:

Fixed / Fixed: 290 g

Fixed / Free: 280 g

Free / Free: 270 g

Load Limit

Maximum combined rider + bicycle weight: 120 kg