• Aluminum hubs • Sealed bearings • 1-speed freewheel threading • 32-hole spoke drilling • Bolt-on 3/8-inch axle • 135mm hub spacing • Black or silver

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 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.

- Highly weight-optimized front hub, ideal for Gravel and XC. - 28mm-diameter bearings minimize overall weight and allow adaptability up to 15mm thru axles - Unique flange design reduces dish requirement and minimizes tension range between drive-side and non-drive-side spokes - Compatible with 28 HEX front hub adapters only - Advanced seal system improves prevention of bearing contamination

- SPANK's HEX DRIVE 102T technology delivers 3.5° engagement, for almost instant pickup - 6 independent pawls with 3 steps per pawl, work in unison, meaning 18 engagement points per click - Bite-Block Alloy HG and XD Freehub bodies resist damage from cassettes without the weight penalty of steel - Unique flange design reduces dish requirement and minimizes tension range between drive-side and non-drive-side spokes - Advanced seal system improves prevention of bearing/drive system contamination

Hubs typically seem to fall into two general categories: light and very expensive or heavy and cheap. With this typical bike industry paradigm, we saw an opportunity. You see, for years we've been using high-end geared hubs from the manufacturer of our track offerings on our personal bikes. They are very lightweight (peep the specs) and just plain work. We decided to finally make those hubs available to you and corner the market in our own category: lightweight, affordable, and incredibly practical. We've ridden them on all kinds of bikes from mtb to road and we're in love. They are reliable, dang light and very reasonably priced. We offer the Go-Devil in a minimal amount of configurations and ship them with all the necessary endcaps and a quick release skewer, future proofing them in case you want to use them on various bikes over the years. Quick Release, 12mm, and 15mm endcaps are included. On all models we spec high-quality made in Japan stainless-steel sealed bearings. Oh, and we've got polished options as well. Kind of a big deal because polished hubs have become a rarity in our modern world. - Weight: Disc Brake: 164g - Includes 12mm, 15mm endcaps and quick release skewer - Non-Drive Side Center To Flange Disc Brake: 21mm - Drive Side Center To Flange Disc Brake: 36mm - Non-Drive Flange Diameter Disc Brake: 58mm - Drive Side Flange Diameter Disc Brake: 45mm

Product specs: - Front hub features - 7075 t6 alloy axle - Qr or 15mm axle type - Japanese cartridge bearings - 28,32 hole count - 205g - Rear hub features - 7075 t6 alloy axle - Qr or 12x142mm axle type - Four sealed cartridge bearings - 28,32 hole count - 325g

WHY WE MAKE THIS Originally, we made this hub to be the cornerstone of our hub product line. It was one of those product releases where we put all our hub and bearing experience into, and ended up with a hub that struck that perfect balance between weight, performance, durability and looks. Since the advent of disc brakes (and the R45D), we keep making it, because it’s still that cornerstone hub, and so many of our riders still love to rock their rim brakes on road and off. WHY YOU WANT IT The R45 front hub is lighter and more aerodynamic than most built-to-last hubs on the market. Our R45 rear hub combines a redesigned RingDrive™ system with 45 teeth for lower drag and near-instant engagement with a lightweight hub body and our legendary made-in-house bearings. Our bearings, both steel and ceramic, have heat-treated, surgical grade steel races that are machined simultaneously to ensure perfect matching. The quality and speed of our bearings is what you will feel (and hear) on every ride. As Chris King bearing tracks burnish they get actually get faster. A little bit of regular love (i.e. service) will keep this hub rolling for years upon years of demanding use. All Chris King rear hubs come with that signature, angry-bee sound. - Steel Bearings - Engineered, manufactured, and assembled in Portland, Oregon USA - King Lifetime Warranty - Legendary made-in-house bearings - Easily serviceable with a 2.5mm hex and pick or pen knife - Completely re-buildable with our R45 Hub Service Tool - Available with Shiamano/Sram HG or Sram XDR driveshell - Available in 28h and 32h - Ceramic bearing upgrade available HUB SPECIFICATIONS - Axle Width: 130mm - Flange Diameter DS & NDS: 51mm - Center to Flange DS: 17mm - Center to Flange NDS: 34.3mm

The Boost 6-Bolt front is specifically for "Boost" disc spacing forks with 110x15mm "Boost" axles. Using the larger diameter hubshell bearing the Boost 6-Bolt is designed to tackle rough terrain and aggressive riding such as downhill and enduro. In an evolving landscape of axle specifications, we are confident that the "Boost" disc location is here to stay. Chris King Boost 6-Bolt front hubs are designed as precision mountain tools. We use one-piece axles to provide a stiff hub with rail accurate steering, transferring every minute adjustment you make to the trail. To thwart mud, water, and contaminants as you power through rough trails, Boost hubs have heavy-duty bearing seals and snaprings, that provide superior protection with ultra low drag. Our bearings, available in steel and ceramic, have heat-treated, surgical grade steel races that are machined simultaneously, with tools of equal wear to ensure perfectly matched inner and outer races. The quality and speed of our bearings is what sets us apart from the competition and they are what you will feel and notice on every single ride. As Chris King bearing tracks burnish they get faster with age and all our hubs and bearings are fully serviceable for years upon years of demanding use. - Steel Bearings - Engineered, manufactured and assembled in Portland, Oregon USA - King Lifetime Warranty - Wide flange placement - Fits 110x15mm Boost axles - Legendary made-in-house LD bearings - Easily serviceable with a 2.5mm hex and pick or pen knife - Completely re-buildable with our Universal Hub Service Tool - Responsibly lightweight - Ceramic bearing upgrade available - Available in 28, and 32 hole spoke count

Chris King Boost 6-Bolt 148x12 rear hubs are designed as precision mountain tools. We use one-piece solid axles to provide a stiff hub that will help your suspension perform better and drive every watt of power into the dirt. To thwart mud, water, and contaminants as you power through rough trails, Boost 6-Bolt hubs have heavy-duty bearing seals, and a threaded driveshell seal ring. Our bearings, available in steel and ceramic, have heat-treated, surgical grade steel races that are machined simultaneously, with tools of equal wear to ensure perfectly matched inner and outer races. The quality and speed of our bearings is what sets us apart from the competition and they are what you will feel and notice on every single ride. As Chris King bearing tracks burnish they get faster with age and all our hubs and bearings are fully serviceable for years upon years of demanding use. The patented Chris King RingDrive with 72-points of simultaneous-engagement will get your power to the ground fast, provide unmatched engagement, and give you that legendary Chris King angry-bee sound. - Steel Bearings - Engineered, manufactured and assembled in Portland, Oregon USA - King Lifetime Warranty - Canted flanges for stronger wheel builds - Patented RingDrive system with 72 simultaneously interfaced points of contact for unmatched hub engagement - Legendary made-in-house bearings - Come in 28h and 32h drilling - Available with Micro Spline, HG or XD driveshell. - Easily serviceable with a 2.5mm hex and pick or pen knife - Completely re-buildable with our ISO Hub Service Tool - Responsibly lightweight - Ceramic bearing upgrade available - Specifically designed for "BOOST" 148mm x 12mm axle standard

R45D hubs combine a lightweight hub body, our legendary made-in-house bearings, and a six-bolt rotor mount to harness the power of disc brakes. The result is the increased power and modulation of disc brakes, the fast, smooth rolling speed of our bearings, and the rail steering from our one-piece solid axles. Our bearings, available in steel and ceramic, have heat-treated, surgical-grade steel races that are machined simultaneously, with tools of equal wear to ensure perfectly matched inner and outer races. The quality and speed of our bearings is what sets us apart from the competition and they are what you will feel and notice on every single ride. As Chris King bearing tracks burnish they get faster with age and all our hubs and bearings are fully serviceable for years upon years of demanding use. - Engineered, manufactured, and assembled in Portland, Oregon USA - 5-year built-to-last warranty - Legendary made-in-house bearings - Easily serviceable and completely re-buildable with our R45 Hub Service Tool - Available in 9 beautifully anodized colors - Ceramic bearing upgrade available

Shimano's Alfine SG-S7001 Disc Brake Internally Geared Hub delivers an impressive gear range, spread across 11 speeds, all with the reliability and low maintenance you can only get with an internally geared hub. - Center Lock Disc Rotor Compatible

Internal O-rings, a grease sleeve, and high-quality cup and cone bearings lend this 105-level hub high durability and smooth rolling. - Internal O-rings and grease sleeve - High quality, sealed Cup & Cone Bearing - High durability and smooth rolling for sustained performance

Hubs typically seem to fall into two general categories: light and very expensive or heavy and cheap. With this typical bike industry paradigm, we saw an opportunity. You see, for years we've been using high-end geared hubs from the manufacturer of our track offerings on our personal bikes. They are very lightweight (peep the specs) and just plain work. We decided to finally make those hubs available to you and corner the market in our own category: lightweight, affordable, and incredibly practical. We've ridden them on all kinds of bikes from the Electric Queen to the Mr. Pink and we're in love. They are reliable, dang light and very reasonably priced. We offer the Go-Devil in a minimal amount of configurations and ship them with all the necessary endcaps and a quick release skewer, future proofing them in case you want to use them on various bikes over the years. Quick Release lever and 12mm thru-axle endcaps are included. On all models we spec high-quality made in Japan stainless-steel sealed bearings. The splined freehubs have 28 points of engagement, the XD driver has 56. Oh, and we've got polished options as well. Kind of a big deal because polished hubs have become a rarity. - Weight: 277g - Includes 12mm thru-axle end caps and quick release skewer - Drive Side Center To Flange 18.5mm - Non-Drive Center to Flange 34mm - Non-Drive Flange Diameter 58mm - Drive Side Flange Diameter 49mm

- Converts a 120mm OL spacing track hub to 130mm OL Road spacing 10mm nutted steel axle

- 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

- Front axle conversion, 15mm thru-axle, Wide Boy - Conversions for fitting a Wide Boy hub onto either a 15mm or 20mm thru-axle fork

- 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)

- Ultra-tough 5 bearing Single Speed rear hub for All Mountain, DJ, FR, Pumptrack, and BMX. - Integrated 3mm 11T Cog Freehub (for 1/8" SS Chains) - Female Axle, M10 Lock-down Bolts, Alloy End-Caps - Wide Flange design eliminates dish in rear wheel, maximizing wheel strength & stiffness - Hole count: 32H - 6-bolt

- Elite Series convertible road disc hubs - Available in multiple axle configurations - Straight pull and J-bend spoke options - 6 bolt and Center Lock disc brake rotor options - Sealed bearings - Material: AL6061 Straight Pull Spoke/6-Bolt Disc: PCD-L: 36mm PCD-R: 36mm LTF-L: 27.75mm LTF-R: 15.25mm CTF-L: 22.25mm CTF-R: 34.75mm J-Bend Spoke/Centerlock Disc: PCD-L: 45mm PCD-R: 45mm LTF-L: 27.25mm LTF-R: 15.45mm CTF-L: 22.75mm CTF-R: 34.55mm

- Elite Series convertible cyclocross/gravel hubs - Available in multiple axle configurations - Straight pull and J-bend spoke options - 6 bolt disc brake rotor compatible - Sealed bearings - Use: Front Hub - Bearing: Sealed - Drilling: 28H - Material: AL6061 - Color: Blk - Brake Type: 6B - OLD: 100mm J-Bend Spoke: - PCD-L: 58mm - PCD-R: 45mm - LTF-L: 27.65mm - LTF-R: 15.35mm - CTF-L: 22.35mm - CTF-R: 34.65mm Straight Pull Spoke: - PCD-L: 51mm - PCD-R: 51mm - LTF-L: 31.4mm - LTF-R: 19.6mm - CTF-L: 18.6mm - CTF-R: 30.4mm

Ratchet freehub bodies have a gloss finish and don't have a seal, as this is fixed on the hub shell. The Ratchet System was the first of this type for DT Swiss; used in the mid-range products like the 350 hubs.

- Press fit designed to work the hub's non-drive side collar.

• Aluminum hub body • Sealed bearings • 5/7-speed freewheel • 32 and 36-hole spoke drilling • Quick-release • 126mm hub spacing • Silver or black

WHY WE MAKE THIS Originally, we made this hub to be the cornerstone of our hub product line. It was one of those product releases where we put all our hub and bearing experience into, and ended up with a hub that struck that perfect balance between weight, performance, durability and looks. Since the advent of disc brakes (and the R45D), we keep making it, because it’s still that cornerstone hub, and so many of our riders still love to rock their rim brakes on road and off. WHY YOU WANT IT The R45 front hub is lighter and more aerodynamic than most built-to-last hubs on the market. We use a narrow hub body and low flanges to make the R45 a rock solid starting point for any fast wheel build. Our bearings, both steel and ceramic, have heat-treated, surgical grade steel races that are machined simultaneously to ensure perfect matching. The quality and speed of our bearings is what you will feel (and hear) on every ride. As Chris King bearing tracks burnish they get actually get faster. A little bit of regular love (i.e. service) will keep this hub rolling for years upon years of demanding use. -Steel Bearings - Engineered, manufactured, and assembled in Portland, Oregon USA - King Lifetime Warranty - Legendary made-in-house bearings - Easily serviceable with a 2.5mm hex and pick or pen knife - Completely re-buildable with our R45 Hub Service Tool - Available in 28h and 32h - Ceramic bearing upgrade available HUB SPECIFICATIONS - Axle Width: 100mm - Flange Diameter DS & NDS: 39.8mm - Center to Flange DS: 34.8mm - Center to Flange NDS: 34.8mm

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.

- Coverts DJD 10mm axle rear hub to fit 14mm frames

- Replacement driver for Original DJD or DJD-Bush Drive rear hub - Need DJD Original removal tool or DJD Bush Drive removal tool (sold separately)

- 10 x 135mm adapters for 6-Drive rear road disc hub - Includes: two adapters and one disc rotor spacer - Conversion kits for Spin Doctor 6-Drive hubs are not compatible with original Spin Doctor and Spin Doctor Pro hubs