SUNringlé Duroc 30 J-Unit Hope Pro 5 hand-built kids wheelset, 20in

The premium build of our 20in kids' wheelset: SUNringlé's junior Duroc 30 J-Unit rims laced 32-spoke to Hope Pro 5 hubs, built by hand in our Marrickville workshop, for a thru-axle kids' bike that is ridden hard and handed down.

Before you order: what your bike decides

  • Wheel size: 20in. Read it off the tyre sidewall.
  • Fork: 15 x 100 mm thru-axle. Hope makes conversion kits for this front hub (quick release, 9, 12 and 20 mm): ask us if your fork is not 15 x 100.
  • Frame: 12 x 142 mm thru-axle. A 135 mm quick-release frame takes our Novatec 20in kids wheelset instead.
  • Brakes: disc only; the front hub takes a 6-bolt rotor; pick the rear's mount on its card (6-bolt or Centre Lock).
  • Cassette: pick the rear's freehub body on its card: Shimano HG (8- to 12-speed HG cassettes), Shimano Micro Spline, or SRAM XD (SRAM XDR on the Centre Lock rear).

Kit includes

Options: rear rotor mount (6-bolt or Centre Lock) · freehub body · hub colour, front and rear. Hope colours come and go; the card marks any that are out of stock. · tubeless valves (50 mm, up to 2).

Everything in the Wheelset box is built in. The rows under Upgrades are optional: tick what you want and the price updates. If you want us to lace a rim or hub you already own, that is a workshop job: contact us for a quote.

Why Hope Pro 5

The Pro 5 runs a six-pawl freehub with three pawls engaged at a time for 108 points of engagement, so the drive picks up almost the moment the pedals turn, and it comes in Hope's colours to match the bike.

How we build it

Every wheel is laced by hand in Marrickville with DT Swiss Competition double-butted spokes (2.0/1.8/2.0 mm) and DT brass nipples, brought up to even tension, stress-relieved and trued, then checked again before it is packed. Each wheelset is built to order. Our Pro wheel build and tape are added to your cart automatically as two free lines. The build carries our workmanship guarantee; each maker's warranty on its parts is on the Warranty tab.

The rims are tubeless-ready: add our 50 mm tubeless valves below and sealant for a lighter, lower-pressure set-up.

Sold separately (shown with this kit): tubeless sealant, 160 mm rotors to suit your mount, a cassette for your freehub and tyres to suit.

Hope hubs are covered by Hope's manufacturer warranty against manufacturing defects, handled through the Australian distributor. SUNringlé rims carry SUNringlé's warranty against defects in materials and workmanship. Our build (lacing, tension and truing) carries our workmanship guarantee. Any claim comes back to Tune Cycles: bring the wheel to Marrickville or contact us with your order number and we handle it with the brand. Wear, crash damage, corrosion and incorrect fitting are not covered.

Our goods come with guarantees that cannot be excluded under the Australian Consumer Law.

  • SUNringlé Duroc 30 J-Unit 20in rims, 26 mm internal, 32H, Tubeless Ready
  • Hope Pro 5 hubs: 15x100 front, 12x142 rear; 108 points of engagement; hub colour on each card
  • DT Competition double-butted spokes, DT brass nipples
  • Hand-built in Marrickville; Pro build and tape included
  Front Rear
Rim SUNringlé Duroc 30 J-Unit, 20in SUNringlé Duroc 30 J-Unit, 20in
Rim width (ext / int) 30 / 26 mm 30 / 26 mm
ERD / rim weight 389 mm / about 330 g 389 mm / about 330 g
Hub Hope Pro 5 Hope Pro 5
Axle 15 x 100 mm 12 x 142 mm
Brake mount 6-bolt 6-bolt or Centre Lock
Freehub - Shimano HG, Shimano Micro Spline or SRAM XD (XDR on Centre Lock); 108 POE
Spokes 32 x DT Competition 2.0/1.8/2.0 32 x DT Competition 2.0/1.8/2.0
Nipples DT brass DT brass
Valves Presta; 50 mm tubeless valves optional
Built by Tune Cycles, Marrickville; Pro wheel build and tape included
SKU WHL-BUILD-DUR30J-PRO5-20
Brand SUNringlé

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