SRAM's Predictive Steering Hub is a dedicated hub interface for the inverted RockShox RS-1 fork. Ultra-durable, high-precision Speedball bearings spin smoothly in all conditions and the oversize, solid-aluminum Torque Tube axle delivers extreme strength and stiffness. It's equipped with standard 6-bolt rotor mounts and is not convertible to other axles.

Hope XD-11 Freehub Bodies · For XD 11-speed cassette · For Hope Pro 2 EVO hubs · Contains drive side end cap, bearings and driver

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

•  Cone and ball bearings with races ground by a Cubic Boron Nitride tool for smooth rolling durability • 15x100mm E-thru Axle system designed to be durable enough for all-mountain riding while remaining light enough for XC racing • Center Lock disc brakes provide reliable braking power • Center to Flange: 34 R , 23 L • Color: Gray • Flange Diameter: 44 R , 44 L • Hub Center to Flange (mm): 34 mm , 32 mm • Hub Drilling: 32 • Hub/Brake Compatibility: Center-Lock Disc • Spoke Interface: J-Bend

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.

Surly's Ultra New Disc Rear Hub is just the thing for singlespeed fanatics and one-gear mountain riders. This gorgeous hunk of aluminum boasts reliable sealed bearings and a 6-bolt disc attachment on one side and threads for a singlespeed freewheel (or fixed cog) on the other. A hollow axle lets you choose how to secure it to your dropouts. You have choice between the included fixing bolts or a quick release skewer (sold separately). And, that aforementioned chromoly axle is flex-free to take all the abuse you can dish out, and then some!

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.

Bike polo all stars and tough-wheel aficionados will love Surly's New Polo Front Hub. This gorgeous hunk of aluminum sports sealed bearings for all-weather reliability and low friction. The 48-hole drilling and taller flanges makes the overall wheel stiffer, and tougher--perfect for polo. And, the hollow axle is forged from flex-free chromoly for steering precision, long-lasting durability and simple quick-release compatibility.

Surly's Ultra New Rear Hub is ready for singlespeed mayhem. This gorgeous hunk of aluminum has the capability you need with reliable sealed bearings. It's available with threads for fixed cogs or freewheels, so you can set up the drivetrain of your dreams. Plus, this hub's 135mm width fits most MTB frames and the hollow chromoly axle provides a flex-free ride as well as simple quick-release skewer compatibility.

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.

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.

• Replacement freehub body for Bontrager single speed hubs • Compatibility: Race single speed • Log onto the techsite for additional freehub body and model year information

Shimano's ZEE Rear Freehub is a quick engaging, smooth-running hub that doesn't drain the bank account. It features quality sealing, adjustable angular-contact bearings, and rotates on an extra-stiff one-piece rear axle with integrated cone construction. It's Center Lock compatible and is available in 135, 142 and 150mm configurations.

DT Swiss' strong, reliable 540 Tandem Front Hub is built for the long haul. Whether you're out there for a week, a month, or on a daily commute, the high-end bearings and additional spoke holes deliver thousands of nearly frictionless miles on your tandem or fully-loaded touring rig.

SRAM's G8 hub delivers even gear spacing and responsive shifts in a sleek, robust hub system. This quick, responsive 8-speed hub is great for any type of riding, from commuting to touring thanks to the nearly-maintenance free internal gears.

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

• Grade 3 balls and magnetite rust proof finish • Abec 5 precision and silicone w seals • 3 times cryogenic race treatment • Bearings sold individually, not as pair

• 24 spokes • 10-speed

Shimano's Ultegra Hubs are flag-bearers for high-durability, smooth-rolling performance. Hardened steel cup-and-cone design use stainless steel bearings for minimal drag and superior ease of maintenance. Shimano's Digital Adjustment System makes hub maintenance fast, simple, and reduces axial force on the bearings, reducing wear and tear on the hub internals.

Whether your joy comes from barreling downhill, or tearing up to the top, SRAM's MTH 746 rear hub will leave a smile on your face. An aluminum hubshell with machined flanges grant the hub a low weight without compromising durability. Plus, tough cartridge bearings roll smooth for the long haul.

Hope Front Axle Conversion Kits · Compatible with Pro 2 and Pro 2 Evo hubs · Converts all Hope Pro 2 and Pro 2 Evo front hubs to 20mm through axle hubs

Finally, a hub worthy of the X0 name! Built to roll over the toughest mountain terrain, SRAM's X0 Boost Hub proves that being solid doesn’t mean being sluggish. SRAM's double time ratchet design gives you smooth 6.9-degree engagement—all while keeping everything light and steady. Super-precise Speedball bearings mean lower resistance, faster revolutions and no more time spent readjusting play. From pawl tooth to side cap, SRAM went the extra mile on the X0 Boost Hub—so you have less to worry about on the trail. • Boost 148 x 12mm axle diameter • Tapered aluminum axle is strong and light • 32-hole • XD driver body for 11-speed compatible hubs • Weight: 250 grams

For optimum wheel strength and reliability, Shimano's Dura-Ace Front Hub is made of cold-forged aluminum with an oversize shell, sturdy flanges and a 15mm internal axle. Inside, diamond-polished bearing races and stainless-steel ball bearings minimize rolling resistance, while high-tech seals keep out water and dirt for maximum durability. This hub also features tool-free bearing adjustment for easy maintenance plus a light and sturdy aluminum/steel quick-release skewer.

Shimano's 105 Front Hub is an excellent beginning to a strong, light front wheel. The diamond-polished bearing races mean the hub rolls super smooth and the labyrinth seals shut out dust, dirt and water. Plus, the cold-forged-aluminum hub shell is beautiful and built to last. You get Shimano's excellent quick-release skewer, too.

Stan's 3.30/3.30Ti Hub Kit converts Stan's 3.30 front hubs from quick-release to through-axle compatible. Installation is easy—just pull the old ones off and put the new ones on. Conversion kits available in 12mm and 15mm.

Shimano Alfine Centerlock Dynamo Front Hub - Compatible with 26 to 28" wheel sizes - Light alloy QR lever and nut - 6V, 3.0W output - Centerlock rotor mount - Center to Flange: 28.5 R , 20 L - Color: Black - Defined Color: Black - Flange Diameter: 70 R , 70 L - Front Axle: QR x 100mm - Hub Drilling: 32, 36 - Hub/Brake Compatibility: Center-Lock Disc - Spoke Interface: J-Bend - Weight: 575 g

New Sheriff hubs are the ultimate in track racing hubs. They minimize weight with larger cutouts in the flanges, lightened axles, shorter bolts, and slimmer end caps than previous versions. The result is a hubset that weighs a mere 432g, 198g for the front, and 234g for the rear. This makes it one of the lightest track hubsets in the world, a figure even more impressive when you consider that All-City didn't eliminate the usefulness of a fixed / fixed or fixed / free option as most racing hubs do. They feature the finest Japanese manufactured 6902 bearings which roll incredibly fast and smooth while retaining excellent seals for all weather, all-day everyday durability. Front hub specs: - Weight: 198g - Torque Spec: 33nm (25ft lbs.) - Non-Drive Side Center to Flange: 34mm - Drive Side Center to Flange: 34mm - Non-Drive Side Flange Diameter: 62mm - Drive Side Flange Diameter: 62mm Rear hub specs: - Weight: 234g - Torque Spec: 33nm (25ft.lbs.) - Non-Drive Side Center to Flange: 29mm - Drive Side Center to Flange: 29mm - Non-Drive Side Flange Diameter: 62mm - Drive Side Flange Diameter: 62mm

Ready for everything from XC racing to enduro charging, the DT Swiss 240s Straightpull Center Lock hub hits the sweet spot between low weight and reliability. The straight pull spoke design makes for a stiff, responsive mountain bike wheel that will roll for thousands of nearly frictionless miles. Plus, DT's legendary Ratchet System ensures precise engagement and exceptional reliability, no matter how hard you stomp on the pedals.

The DT Swiss 240s road hub hits the sweet spot between light weight and reliability. On the winning end of countless Grand Tour stages and local races alike, these hubs will roll for thousands of nearly frictionless miles.

The DT Swiss 240s MTB 6-Bolt Front Hub hits the sweet spot between low weight and reliability. With multiple axle options, you can build up a high-end wheel for nearly any bike. On the winning end of countless World Cups and local races in every discipline from XC to enduro to downhill, these hubs are the centerpiece for thousands of nearly frictionless rides.