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ISO B
Front
$241.00
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Product details

Available in Matte Finish

Chris King ISO B 110x15 front hubs are designed as precision mountain tools. We use one-piece solid 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, ISO 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.



  • Engineered, manufactured and assembled in Portland, Oregon USA
  • Optimized flange angle/alignment for improved spoke path, and symmetric wheel build
  • 5-year built-to-last warranty
  • Legendary made-in-house bearings
  • Easily serviceable and completely re-buildable with our Chris King Hub Service Tool
  • Responsibly lightweight 
  • Ceramic bearing upgrade available
  • Available in 28, and 32 hole spoke count
  • Available in Matte Jet, Matte Slate, and Limited Edition Matte Emerald
Specification

ISO Hub Specifications and Wheel Building Information

Hub Type Axle Type Axle Width (mm) Flange Diameter Drive Side & Non-Drive Side (mm) Center to Flange Drive Side (mm) Center to Flange Non-Drive Side (mm) Frame Attachment Options Available Spoke Hole Drilling Upgrade and Conversion Options Weight – Steel (grams) Weight – Ceramic (grams)
ISO B Front one piece 110 57.4 26.9 26.9 15mm TA 28, 32 - 176 172
ISO B Rear one piece 148 57.4 24.0 36.3 12mm TA 28, 32 3 341** 337**
ISO SD QR Front two piece 100 57.4 31.3 22.2 QR 28, 32, 36 4 166 163
ISO SD 15mm Front (24H) one piece 100 57.4 31.2 22.5 15mm TA 24.0 4 164 161
ISO SD 15mm Front one piece 100 57.4 31.3 22.2 15mm TA 28, 32, 36 4 164 161
ISO LD 15mm Front one piece 100 57.4 31.6 23.3 15mm TA 28, 32, 36 5 197 193
ISO LD 20mm Front one piece 110 57.4 31.6 23.3 20mm TA 28, 32, 36 5 207 203
Lefty® SuperMax one piece Lefty 57.4 35.4 26.6 Lefty® 28, 32 - 215**** 211****
Lefty® LD one piece Lefty 57.4 35.4 19.6 Lefty® 28, 32, 36 5 200 196*****
ISO 135 x QR Rear one piece 135 57.4 20.1 33.9 QR/FB 28, 32, 36 1, 3 336 331
ISO 135 x 10/12mm Rear one piece 135 57.4 20.1 33.9 10/12mm TA 28, 32, 36 1, 3 320** 315**
ISO 142 x 12mm Rear one piece 142 57.4 20.1 33.9 12mm TA 28, 32, 36 1, 3 325 320
ISO DH Gen 2 150 x 10/12mm Rear one piece 150 57.4 28.5 39.6 10/12mm TA 32, 36 3 338 333
ISO DH Gen 2 157 x 12mm Rear one piece 157 57.4 28.5 39.6 12mm TA 32, 36 3 344 339
ISO SS 135mm FB Rear one piece 135 57.4 32.3 31.0 QR/FB 28, 32, 36 - 411*** 406***
ISO SS 142 x 12mm Rear one piece 142 57.4 32.3 31.0 12mm TA 28, 32, 36 - 364 358
Tandem Disc Rear Hub two piece 140 53.0 23.5 31.5 QR 32, 36 2, 3 284 -
Tandem Disc Rear Hub one piece 145 53.0 26.0 29.0 QR/FB 32, 36 3 366 -
Tandem Disc Rear Hub one piece 160 53.0 33.7 33.7 QR/FB 32, 36 3 388 -
Gen. 2: Serial number begins with 2910 

FRAME ATTACHMENTS

  • QR: Quick Release Only
  • TA: Thru-axle Only 
  • QR/FB: Quick Release or FunBolts (FunBolts only compatible with rear one piece axle)

UPGRADE AND CONVERSION OPTIONS

  1. Convertible to 135 QR/FB axle, 135 x 10mm TA, 135 x 12mm TA, 142 x 12mm TA, and 135 two piece QR axle
  2. Convertible to 130mm, 135mm, and 140mm axle widths when using a two piece axle
  3. Convertible to stainless steel driveshell or XD driveshell
  4. Convertible to QR and 100x15mm thru axle
  5. Convertible to 15mm, 20mm, and Lefty ® axle (Lefty® conversion only works on LD hubs with serial number prefix 1720)
  6. Convertible to 15mm, 20mm, 24mm (starting with serial number prefix 1710)

SMALL PART WEIGHTS 

*  Add 48g if hub features a stainless steel driveshell  

** Add 27g if hub features an XD driveshell

** Add 5g if using 10mm thru axle

*** Weight includes 18t stainless steel cog (37g), single speed cog spacers (6g), single speed cog lock ring (4g), and FunBolts (42g) WHEEL BUILDING SPECIFICATIONS

**** Weight includes Cannondale ® axle bolt (4g) Spoke Gauge: 13, 14, or 15 gauge Spoke Hole Diameter: 2.5mm

***** Weight includes 1mm disc spacer (3g), Cannondale ® axle bolt Spoke Lacing Pattern: 2-or-more cross Max Spoke Tension: 120kgf, 1200N

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