H Plus Son SL42 700c Black Track & Fixie Rim - Craftworx Cycling

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H Plus Son | SL42 | 700c | 615g | 42mm Deep | 19.5mm Wide | Black


H Plus Son SL42 Alloy Road Bike Rim 700c 42mm Deep Section 615grams Welded Rim Machined Braking Surface

  • THE PERFORMANCE BENCHMARK FOR FIXIE AND TRACK BIKES. Designed specifically for Track and Fixie applications. The SL42 is incredibly stiff and strong catering for the most powerful of riders. Because of this unique design it also adapts itself perfectly to suburban riding. SL42 rims are virtually bomb proof!
  • APPLICATIONS.Track Bikes, Fixie Bikes, Urban Bikes.
  • PERFECT FOR CUSTOM WHEEL BUILDING. Professional wheel builders around the world love using our SL42 rims. Our high quality alloy rims are manufactured to exacting standards. This means they build up easier and spokes tensions are more consistent keeping the wheels straight for longer. It’s not just the quality and the fact that the wheel holds its tension better that makes our SL42 rims great; most importantly customers love the way they look and ride!
  • A WIDE RANGE OF DRILLING OPTIONS AND COLOURS. Built into a wheel set, SL42 rims look very cool. They come in Matt Black, Gloss White and Mirror Polish. Regardless of colour, you bike is guaranteed to stand out from the crowd. Drilling options are 32H and 36H (mirror polished only).
  • WARRANTY. 12 Months manufacturers warranty from date of purchase.

Designed, Tested & Manufactured by Craftworx Cycling

Hand Built

The 42mm profile of our H Plus Son SL42 Rims was designed specifically for Track Racing and Fixie Bike applications.


The SL42 is incredible stiff and strong catering for the strongest, most powerful of riders. Because of this unique design it also adapts itself perfectly to suburban riding.


The H Plus Son SL42 Rim has gone through an extensive development process ensuring maximum stiffness and aerodynamics. The proprietary G609 alloy used in our SL42 rims is formulated to be 30% stronger than that used by most other manufacturers. Pairing the hybrid alloy with the SL42's deep section design creates a rim that will carry the strongest of riders.


The brake surface is precision machined for enhanced stopping power. We anodise Black rims after machining.


Colours: Anodised Black, Gloss White, Mirror Polished Silver


Available in:  32 and 36 (polished only) hole drilling options


Application:  Track, Fixie, Urban

Typical Riding Conditions

Rocky outcrops, drop offs, large tree roots, big jumps, aggressive down hill riding that still requires the occasional climb

Suitable Bike Types

Mid to Long Travel Full Suspension Mountain Bikes (130mm - 160mm)

Hand Built

Craftworx XTrail rims are designed for riders looking for a high performance, light weight, tubeless ready, mountain bike / gravel rim that can carry a wide range of tyre widths.

Engineered to be both light and strong, the key to this is our STSS hybrid alloy. STSS is up to 20% stronger than alloys used by most manufacturers.

The narrow profile design of the XTrail rim, combined with the unique ride properties of our STSS alloy, creates a rim that is fast and agile through technical sections and compliant when riding over rock gardens, tree roots and unavoidable obstacles.


Drilling Options: 32H, 36H Weight 615g
Colours: Anodised Black, Gloss White, Mirror Polished Silver Material: G609 Alloy
Height: 42mm Width: 19.5mm
Size: 700c Joint: Invisible Weld
ERD: 557mm

Braking Surface: N/A


  • Use: Hardtail and Mid-Long Travel Mountain Bikes
    Tyre Size:
    27.5 / 29er
  • Max Tyre Width: Whatever your bike will take!
  • Maximum Rider Weight: N/A
  • 2 Year Conditional Warranty


  • Tubeless Compatible Rim Tapes: Fitted
  • Warranty and Wheel Care Information


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