Steel hubs • Alloy hubs

Steel Hubs

Front Hub UNION 410

Type	Front	410-01	410-02	410-03	410-04	410-05	410-06
Weight	(gram)	153	166	164	163	160	162
Axle length	A (mm)	130	130	130	130	130	130
Over Locknut dimension	B (mm)	80	92	92	92	92	92
Free axle end right + left	(mm)	20	19	19	19	19	19
Spoke hole diameter	D (mm)	2.8 +/- 0.1 mm
Axle thread	E	5/16" × 26 TPI
Flange distance	F (mm)	56.5	56.5	67.5	67.5	67.7	67.5
Number of holes	Z	16	16	16	20	36	28

Front Hub UNION 412

Type	Front	412-01
Weight	(gram)	195
Axle length	A (mm)	140
Over Locknut dimension	B (mm)	100
Free axle end right + left	(mm)	20
Spoke hole diameter	D (mm)	2.8 +/- 0.1 mm
Axle diameter	E	3/8" × 26 TPI
Flange distance	F (mm)	67.5
Number of holes	Z	36

Front Hub UNION 420

Type	Front	420-01
Weight	(gram)	w/o nuts 248
Axle length	A (mm)	140
Over Locknut dimension	B (mm)	100
Free axle end right + left	(mm)	20
Spoke hole diameter	D (mm)	2.8 +/- 0.1 mm
Axle diameter	E	3/8" × 26 TPI
Flange distance	F (mm)	59
Number of holes	Z	36

Front Hub UNION 420QR

Type	Front	420-01 QR
Weight	(gram)	with QR 267
Axle length	A (mm)	108
Over Locknut dimension	B (mm)	100
Free axle end right + left	(mm)	4
Spoke hole diameter	D (mm)	2.8 +/- 0.1 mm
Axle diameter	E	3/8" × 26 TPI
Flange distance	F (mm)	59
Number of holes	Z	36

Rear Hub UNION 463

Type	Rear	463-7	463-8
Weight	(gram)	w/o nuts 370	372
Axle length	A (mm)	175	180
Over Locknut dimension	B (mm)	130	135
Sprocket clearance	C (mm)	38	40
Free axle end right	R (mm)	25	25
Spoke hole diameter	D (mm)	2.8 +/- 0.1 mm
Axle diameter	E	3/8" × 26 TPI ( FG 9.5 - DIN 79012 )
Number of holes	Z	36

All PARALLAX steel hubs (types 420 & 463) also avialable in black (ED)