Highlights

Sealed cartridge bearings
CNC machined alloy shell
Alloy axle, CrMo bolts
10mm axle bolts

Description

The SD Ace Expert Front Hub has 10mm axle bolts that feature sealed cartridge bearings, a CNC machined aluminium hub shell and a alloy axle with CrMo bolts.

Features

Sealed cartridge bearings. Cartridge bearings keep dirt and water out, so the front wheel keeps spinning freely with no adjustment needed.
CNC machined alloy shell. The hub shell is CNC machined from aluminium, which keeps the weight low at the front of the bike.
Alloy axle, CrMo bolts. A light alloy axle is paired with chromoly bolts, so the fasteners that take the torque are the strong ones.
10mm axle bolts. It runs 10mm axle bolts, so check your fork dropouts take the smaller expert size before ordering.
28 hole drilling. Drilled 28 hole with a 100mm locknut to locknut width, which suits a standard expert front wheel build.

Specifications

Width: 100mm locknut to locknut
Material: CNC machined aluminium shell, alloy axle
Bearings: Sealed cartridge
Hole count: 28 hole
Axle: Alloy with CrMo bolts
Axle size: 10mm
Note: Flange diameter 38mm, flange to locknut 16mm

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Hub spacing locknut to locknut, 100 front or 110 rear on most BMX mm Same both sides front hubs, or matching flanges

Flange diameter/PCD (pitch circle diameter) spoke hole centre to the opposite hole centre. The drive side is the driver side, left or right hand drive alike, and is usually the bigger flange

Drive side mm Non-drive side mm

Flange position

Flange to locknut Centre to flange

Drive side mm Non-drive side mm

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ERD effective rim diameter, from the spec sheet mm