The hub specifications below are grouped under BMX and MTB categories. Front hubs are listed first, then rear with in category. These same specifications can be viewed for each individual hub's detail product page via the specifications tab. If you have any questions regarding the specifications, feel free to contact us using the
support form
Stealth BMX Pro Front Hub Dimensions/Measurements
| Axle Width |
Axle Type |
Flange Dia. DS |
Flange Dia. ND |
Center To Flange,DS |
Center To Flange,ND |
Weight* |
Disk Pattern |
Cassette Style |
| 100mm |
3/8 Bolt-On |
57.5mm |
57.5mm |
33mm |
33mm |
193g |
N/A |
N/A |
| 100mm |
20mm NEW |
57.5mm |
57.5mm |
33mm |
33mm |
193g |
N/A |
N/A |
* These weights do not include bolts or washers. The actual weight may vary depending on the variation of options/upgrades outfitted on the hub (i.e. ti or steel bolts).
Stealth BMX Expert Front Hub Dimensions/Measurements
| Axle Width |
Axle Type |
Flange Dia. DS |
Flange Dia. ND |
Center To Flange,DS |
Center To Flange,ND |
Weight* |
Disk Pattern |
Cassette Style |
| 100mm |
3/8 Bolt-On |
41mm |
41mm |
32mm |
32mm |
102g |
N/A |
N/A |
* This weight does not include bolts or washers. The actual weight may vary depending on the variation of options/upgrades outfitted on the hub (i.e. ti or steel bolts).
Stealth BMX Junior Front Hub Dimensions/Measurements
| Axle Width |
Axle Type |
Flange Dia. DS |
Flange Dia. ND |
Center To Flange,DS |
Center To Flange,ND |
Weight* |
Disk Pattern |
Cassette Style |
| 100mm |
3/8 Bolt-On |
41mm |
41mm |
32mm |
32mm |
102g |
N/A |
N/A |
* This weight does not include bolts or washers. The actual weight may vary depending on the variation of options/upgrades outfitted on the hub (i.e. ti or steel bolts).
Stealth BMX Pro Rear Hub Dimensions/Measurements
| Axle Width |
Axle Type |
Flange Dia. DS |
Flange Dia. ND |
Center To Flange,DS |
Center To Flange,ND |
Weight* |
Disk Pattern |
Cassette Style |
| 109mm |
3/8 Bolt-On |
57.5mm |
57.5mm |
32mm |
32mm |
482g |
N/A |
Stealth |
| 109mm |
15mm |
57.5mm |
57.5mm |
32mm |
32mm |
463g |
N/A |
Stealth |
* These weights do not include bolts, washers or cogs. The actual weight may vary depending on the variation of options/upgrades outfitted on the hub (i.e. ti or steel bolts, aluminum or steel cogs..etc).
Stealth BMX Pro Rear Disc Hub Dimensions/Measurements
| Axle Width |
Axle Type |
Flange Dia. DS |
Flange Dia. ND |
Center To Flange,DS |
Center To Flange,ND |
Weight* |
Disk Pattern |
Cassette Style |
| 109mm |
3/8 Bolt-On |
57.5mm |
57.5mm |
32mm |
23.5mm |
482g |
6 bolt IS |
Stealth |
| 109mm |
15mm |
57.5mm |
57.5mm |
32mm |
23.5mm |
463g |
6 bolt IS |
Stealth |
* These weights do not include bolts, washers or cogs. The actual weight may vary depending on the variation of options/upgrades outfitted on the hub (i.e. ti or steel bolts, aluminum or steel cogs..etc).
Stealth BMX Pro Rear 20mm Hub Dimensions/Measurements
| Axle Width |
Axle Type |
Flange Dia. DS |
Flange Dia. ND |
Center To Flange,DS |
Center To Flange,ND |
Weight* |
Disk Pattern |
Cassette Style |
| 109mm |
20mm |
57.5mm |
57.5mm |
32mm |
32mm |
467g |
N/A |
Stealth 20mm** |
| 109mm |
3/8 Bolt-On |
57.5mm |
57.5mm |
32mm |
32mm |
500g |
N/A |
Stealth 20mm** |
| 109mm |
15mm |
57.5mm |
57.5mm |
32mm |
32mm |
455g |
N/A |
Stealth 20mm** |
* These weights do not include bolts, washers or cogs. The actual weight may vary depending on the variation of options/upgrades outfitted on the hub (i.e. ti or steel bolts, aluminum or steel cogs..etc).
** This hub is designed with a special cassette style that requires custom cogs, which are available in 15-18 teeth. This cassette style is not compatible with the other Stealth proprietary cassette style available on other Pro and Poacher hubs.
Stealth BMX Expert Rear Hub Dimensions/Measurements
| Axle Width |
Axle Type |
Flange Dia. DS |
Flange Dia. ND |
Center To Flange,DS |
Center To Flange,ND |
Weight* |
Disk Pattern |
Cassette Style |
| 109mm |
3/8 Bolt-On |
51mm |
41mm |
32mm |
32mm |
308g |
N/A |
N/A |
* This weight does not include bolts, washers or cogs. The actual weight may vary depending on the variation of options/upgrades outfitted on the hub (i.e. ti or steel bolts, aluminum or steel cogs..etc).
Stealth BMX Junior Rear Hub Dimensions/Measurements
| Axle Width |
Axle Type |
Flange Dia. DS |
Flange Dia. ND |
Center To Flange,DS |
Center To Flange,ND |
Weight* |
Disk Pattern |
Cassette Style |
| 109mm |
3/8 Bolt-On |
51mm |
41mm |
32mm |
32mm |
308g |
N/A |
N/A |
* This weight does not include bolts, washers or cogs. The actual weight may vary depending on the variation of options/upgrades outfitted on the hub (i.e. ti or steel bolts, aluminum or steel cogs..etc).
Stealth MTB Front Hub Dimensions/Measurements
| Axle Width |
Axle Type |
Flange Dia. DS |
Flange Dia. ND |
Center To Flange,DS |
Center To Flange,ND |
Weight |
Disk Pattern |
Cassette Style |
| 100mm |
3/8 Bolt-On |
57.5mm |
57.5mm |
33mm |
22.5mm |
210g |
6 bolt IS |
N/A |
| 100mm |
Q/R |
57.5mm |
57.5mm |
33mm |
22.5mm |
210g |
6 bolt IS |
N/A |
| 100mm |
15mm |
57.5mm |
57.5mm |
33mm |
22.5mm |
210g |
6 bolt IS |
N/A |
| 110mm |
20mm |
57.5mm |
57.5mm |
33mm |
22.5mm |
210g |
6 bolt IS |
N/A |
| 110mm NEW |
15mm BOOST |
57.5mm |
57.5mm |
36mm |
25.5mm |
210g+ |
6 bolt IS |
N/A |
Stealth MTB Poacher Front Hub Dimensions/Measurements
| Axle Width |
Axle Type |
Flange Dia. DS |
Flange Dia. ND |
Center To Flange,DS |
Center To Flange,ND |
Weight |
Disk Pattern |
Cassette Style |
| 100mm |
3/8 Bold-On |
57.5mm |
57.5mm |
33mm |
22.5mm |
210g |
6 bolt IS |
N/A |
| 100mm |
Q/R |
57.5mm |
57.5mm |
33mm |
22.5mm |
210g |
6 bolt IS |
N/A |
| 100mm |
15mm |
57.5mm |
57.5mm |
33mm |
22.5mm |
210g |
6 bolt IS |
N/A |
| 110mm |
20mm |
57.5mm |
57.5mm |
33mm |
22.5mm |
210g |
6 bolt IS |
N/A |
Stealth MTB Rear Hub (S4) Dimensions/Measurements
| Axle Width |
Axle Type |
Flange Dia. DS |
Flange Dia. ND |
Center To Flange,DS |
Center To Flange,ND |
Weight |
Disk Pattern |
Cassette Style |
| 135mm |
Q/R |
57.5mm |
57.5mm |
21mm |
36.5mm |
496g |
6 bolt IS |
SHIMANO |
| 135mm |
10mm |
57.5mm |
57.5mm |
21mm |
36.5mm |
496g |
6 bolt IS |
SHIMANO |
| 135mm |
12mm |
57.5mm |
57.5mm |
21mm |
36.5mm |
496g |
6 bolt IS |
SHIMANO |
| 142mm |
12mm |
57.5mm |
57.5mm |
21mm |
36.5mm |
496g |
6 bolt IS |
SHIMANO |
| 142mm |
12mm |
57.5mm |
57.5mm |
21mm |
36.5mm |
496g |
6 bolt IS |
SRAM XD |
| 148mm NEW |
12mm BOOST |
57.5mm |
57.5mm |
24mm |
39.5mm |
496g+ |
6 bolt IS |
SHIMANO/XD |
Stealth MTB Rear Hub (S3) Dimensions/Measurements
| Axle Width |
Axle Type |
Flange Dia. DS |
Flange Dia. ND |
Center To Flange,DS |
Center To Flange,ND |
Weight |
Disk Pattern |
Cassette Style |
| 135mm |
3/8 Bolt-On |
57.5mm |
57.5mm |
21mm |
36.5mm |
496g |
6 bolt IS |
SHIMANO |
| 135mm |
Q/R |
57.5mm |
57.5mm |
21mm |
36.5mm |
496g |
6 bolt IS |
SHIMANO |
| 135mm |
10mm |
57.5mm |
57.5mm |
21mm |
36.5mm |
496g |
6 bolt IS |
SHIMANO |
| 135mm |
12mm |
57.5mm |
57.5mm |
21mm |
36.5mm |
496g |
6 bolt IS |
SHIMANO |
| 142mm |
12mm |
57.5mm |
57.5mm |
21mm |
36.5mm |
496g |
6 bolt IS |
SHIMANO |
| 142mm |
12mm |
57.5mm |
57.5mm |
21mm |
36.5mm |
496g |
6 bolt IS |
SRAM XD |
Stealth MTB Poacher (Singlespeed) Rear Hub Dimensions/Measurements
| Axle Width |
Axle Type |
Flange Dia. DS |
Flange Dia. ND |
Center To Flange,DS |
Center To Flange,ND |
Weight |
Disk Pattern |
Cassette Style |
| 135mm |
3/8 Bolt-On |
57.5mm |
57.5mm |
30mm |
36mm |
510 |
6 bolt IS |
STEALTH |
| 135mm |
Q/R |
57.5mm |
57.5mm |
30mm |
36mm |
510 |
6 bolt IS |
STEALTH |
| 142mm |
12mm |
57.5mm |
57.5mm |
30mm |
36mm |
510 |
6 bolt IS |
STEALTH |
Stealth MTB Downhill Rear Hub (S3) Dimensions/Measurements
| Axle Width |
Axle Type |
Flange Dia. DS |
Flange Dia. ND |
Center To Flange,DS |
Center To Flange,ND |
Weight |
Disk Pattern |
Cassette Style |
| 150mm |
12mm |
57.5mm |
57.5mm |
28.8mm |
42.7mm |
510g |
6 bolt IS |
SHIMANO |
| 157mm |
12mm |
57.5mm |
57.5mm |
28.8mm |
42.7mm |
510g |
6 bolt IS |
SHIMANO |
Stealth MTB Downhill Rear Hub (S2) Dimensions/Measurements
| Axle Width |
Axle Type |
Flange Dia. DS |
Flange Dia. ND |
Center To Flange,DS |
Center To Flange,ND |
Weight |
Disk Pattern |
Cassette Style |
| 150mm |
12mm |
57.5mm |
57.5mm |
28.3mm |
28.3mm |
510g |
6 bolt IS |
SHIMANO |
| 157mm |
12mm |
57.5mm |
57.5mm |
28.3mm |
28.3mm |
510g |
6 bolt IS |
SHIMANO |
Stealth Road Front Hub (S4) Dimensions/Measurements
| Axle Width |
Axle Type |
Flange Dia. DS |
Flange Dia. ND |
Center To Flange,DS |
Center To Flange,ND |
Weight |
Disk Pattern |
Cassette Style |
| 131mm |
Quick Release |
41mm |
41mm |
32mm |
32mm |
114g |
N/A |
N/A |
Stealth Road Rear Hub (S4) Dimensions/Measurements
| Axle Width |
Axle Type |
Flange Dia. DS |
Flange Dia. ND |
Center To Flange,DS |
Center To Flange,ND |
Weight |
Disk Pattern |
Cassette Style |
| 130mm |
Q/R |
51.2mm |
51.2mm |
16.2mm |
33.8mm |
418g |
N/A |
Shimano
9/10/11 Speed |
Stealth Road Rear Hub (S3) Dimensions/Measurements
| Axle Width |
Axle Type |
Flange Dia. DS |
Flange Dia. ND |
Center To Flange,DS |
Center To Flange,ND |
Weight |
Disk Pattern |
Cassette Style |
| 130mm |
Q/R |
51mm |
41mm |
19mm |
34.5mm |
308g |
N/A |
Shimano
9/10 Speed |
