Whether your joy comes from barreling downhill, or tearing up to the top, SRAM's MTH 716 front hub will leave a smile on your face. An aluminum hubshell with machined flanges grant the hub a low weight without compromising durability. TPlus, tough cartridge bearings roll smooth for the long haul.

12x142mm conversion endcaps for Hope Pro 2 Evo rear hubs.

Featuring WTP's very own, patented 3-point clutch friction system, the Helix hub will take you backwards in style and hold up to any peg abuse that comes its way. - Unique internal arrangement with face-bearing clutch stopper - WTP Patented "Tri-Point" friction system - Hub Drilling: 32 - Cassette Body Type: Single Cog Driver - Axle Size: 14mm - Spoke Interface: J-Bend

- Produced by one of Japan's oldest hub makers - Silky smooth Japanese sealed cartridge bearings - High polished finish - Choose fixed/free or fixed/fixed flip-flop rear hub - Hub spacing: 120mm OLD

Surly's Ultra New Disc Front Hub is a gorgeous hunk of aluminum that boasts reliable sealed bearings and a 6-bolt disc attachment. The forged chromoly axle is flex-free for steering precision, long-lasting durability and simple quick-release compatibility.

Track stars and fixed-gear converts will love Surly's Ultra New Front Hub. This gorgeous hunk of aluminum sports sealed bearings for all-weather reliability and low friction. And, the hollow axle is forged from flex-free chromoly for steering precision, long-lasting durability and simple quick-release compatibility.

Track stars and fixed-gear converts love Surly's Ultra New Track Rear Hub! This gorgeous hunk of aluminum boasts reliable sealed bearings, and your choice of fixed/fixed or fixed/free gearing. Plus, this hub's 120mm width fits most track frames and the flex-free solid axle is forged from rugged chromoly.

Build your singlespeed or fixie bike around Surly's Ultra New Roadie Rear Hub. This gorgeous hunk of aluminum has the capability you need and reliable sealed bearings, too! It sports threads for a track cog and lockring on one side and a freewheel on the other so you can decide how you want to roll. Plus, this hub's 130mm width fits most road frames and the hollow chromoly axle provides a flex-free ride as well as simple quick release skewer compatibility.

- Kick-shift 2-speed hub - Coaster brake - Benefits include its simple backpedal-action shifting/braking and no cables or shifters - 6061 aluminum hub shell with 13/32" slotted solid axle (162mm overall axle length) - Gear ratio range of 138% - Includes 22 tooth 3-spline cog - 116mm OLD (over-locknut dimension)

- Internal gear 8-speed hub with 70mm drum brake - Rotary gear selection with no protruding indicator chain or switch box - Direct drive in first gear allows use of smaller chainwheels - A356 aluminum hub shell with 13/32" slotted solid axle (185mm overall axle length) - Gear ratio range of 325% - Includes 3-spline 23 tooth cog and a TSS86 twist shifter. Brake lever sold separately

- A356 aluminum hub shell with 9mm solid nutted axle (136mm overall axle length) - Choose 70mm or 90mm drum brake front hub (brake lever sold separately)

- Dynamo generator front hub features 3.0-watt headlight power supply - A356 aluminum hub shell with 9mm solid nutted axle (140mm overall axle length) - Choose 70mm or 90mm drum brake (brake levers sold separately) - Light sold separately

Replacement Shimano/SRAM freehub body for Stan's NoTubes 3.30 rear hubs.

Converts a Stan's 3.30/3.30Ti rear hub to a 12mm thru-axle. Compatible with both Type 1 and Type 2 rear hubs.

Replacement end caps for Stan's NoTubes rear hubs with XD Driver.

Converts a Stan's 3.30RD/3.30RDTi hub to a 12x142mm thru-axle.

This conversion kit allows you to use SRAM's 11-speed mountain cassette on your Stan's NoTubes wheels. Each kit includes an XD freehub, spacer, drive side end cap, and three sealed bearings.

Shimano Alfine Center Lock Dynamo Front Hub - Compatible with 26 to 28-inch wheel sizes - Light alloy QR lever and nut - 6V, 3.0W output - Centerlock rotor mount - Spoke Interface: J-Bend - Weight: 575g

The Shimano Alfine DH-UR705-3D Dynamo hub employs a new internal unit construction that is lighter and also reduces dynamo drag while producing 3 watts. It is designed for 26 to 28-inch Center Lock wheels and uses a 12 x 100mm E-THRU axle design. - New internal unit construction is 28g lighter than DH-T8000-3D - More efficient wheel rotation reduces dynamo drag by up to 44% from DH-T8000 - Proper positioning with 12mm E-THRU - Angular contact bearings - Compact & lightweight - Low rotational resistance - Effortless setting of disc rotor - Durable sealing performance

Shimano Alfine SG-S7001 Disc Brake Internally Geared Hub delivers an impressive gear range, spread across 8 speeds, all with the reliability and low maintenance you can only get with an internally geared hub. - Center Lock Disc Rotor Compatible - Rotor lockring not included - Hub Center to Flange: 30.0mm - Hub Drilling: 32-hole - Flange Diameter: 92.5mm - Drivetrain Speeds: 8 - Spoke Interface: J-Bend

Shimano XT FH-M756 Series Rear Hub - Double contact bearing seals - Super polished bearing races for low friction rolling - Light alloy QR lever and nut - 6-Bolt rotor mount - Bearing Type: Loose Ball - Cassette Body Type: Shimano/SRAM 8, 9, 10 Speed - Center to Flange, Left: 33.5 - Center to Flange, Right: 20.5 - Flange Diameter Left: 61 - Flange Diameter Right: 61 - Hub Drilling: 32 - Hub/Brake Compatibility: 6-Bolt Disc - Rear Axle: QR x 135mm - Skewer Included: Yes - Spoke Interface: J-Bend - Weight: 495 grams

The stout design of Shimano's Deore XT rear hub minimizes fork flex and builds into a super-reliable wheel. It features a quality cold-forged-aluminum shell, super durable angular contact bearings with high-polish bearing surfaces, and Shimano's excellent Center Lock disc mount, which makes rotor installation a breeze. The freehub boasts quick engagement for lightning fast acceleration and confidence when negotiating tricky technical sections. A quick-release skewer makes wheel installation and removal a breeze.

Shimano's Track Dura-Ace Hi-Flange Hubs build up into stiff, fast spinning wheels that want to sprint right out off the line. Stainless steel bearings and Borozon treated bearing races minimize drag for maximum efficiency and speed. You get your choice of single or double-sided cog threading.

The Shimano HB-RS470 front disc brake hub features a Center Lock design, Internal Grease Sleeve, and Cup and Cone Bearing technology. - The Center Lock system makes for easy rotor installation with a quick and secure spline mount and lock ring - Hub features internal o-rings and a grease sleeve that helps maintain grease levels and increases service life

The DH-UR700-3D Dynamo hub employs a new internal unit construction that is lighter and also reduces dynamo drag while producing 3 watts. It is designed for 26 to 28-inch quick-release wheels. - New internal unit construction is 28g lighter than DH-T8000-3D - More efficient wheel rotation reduces dynamo drag by up to 44% from DH-T8000 - Angular contact bearings - Compact & lightweight - Low rotational resistance - Durable sealing performance

With simple setup and reliable trail performance, the SLX front hub is perfect for custom MTB wheel builds. - Easy disc brake rotor installation with Center Lock spline mount and lock ring - Tool-free 15mm thru axle system is stiff and lightweight - Simple setup and reliable trail performance

- Compatible with 26 to 28" wheel sizes - Light alloy QR lever and nut - 6V, 3.0W output

End caps for front conversion hubs.

SRAM's 506 hub borrows technology from its more expensive brethren to bring you a solid hub at a great price. An aluminum hubshell with hi/lo flanges provide no-nonsense durability and even spoke tension. Dependable cup and cone bearings with polished races roll smooth for the long haul and a strong, steel quick-release axle holds up under pressure.

High quality sealed bearing hub is available in traditional and modern configurations. - Steel axle, aluminum end caps with steel knurled contact surfaces - Same proven driver mechanism as higher priced models - Spoke Interface: J-Bend - Hub/Brake Compatibility: 6-Bolt Disc - Skewer Included: No - Bearing Type: Sealed Cartridge