Monitor carbon wheels

from £845 / pair

Meet the Monitor, our lightweight off-road carbon wheelset. Stiff and responsive with 26mm internal rim width and weights as low as 1366g/pair for 29er wheels.

build time for this wheelset: 10 days
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The Monitor is a tough wheelset fast off-road riding and follows on from our ever popular Gecko gravel/CX wheelset with a wider, stronger rim suited to 40mm or larger tyres. The wheelset features our usual choice of hub options with centre-lock or 6-bolt disk mounts available as well as straight-pull or traditional J-bend spokes.

Weights from 1300g/pair (650b) and 1366g/pair (29er) with Centre-lock straight pull hubs.

Hubs are 6 pawl, 48 point engagement hubs with premium stainless bearings, rims are asymmetric for maximum strength and stiffness at low weights, and are tubeless ready – supplied with tubeless tape fitted, valves available separately. The rims have a matt UD finish and no braking surface. Recommended tyre sizes are 38mm or larger for gravel tyres, although it is also possible to use road tyres 28mm+ at pressures 70psi (4.8 bar) or under.

The wheels are finished with tubeless rim tape but valves are extra. A crash replacement scheme applies to all JRA carbon wheelsets.

hubs: jra centre-lock or 6-bolt, j-bend or straight-pull hubs 24 hole
freehub: Shimano 11spd (with spacer for 10sp), Sram XD, Campag or Shimano Microspline (depending on hub choice).
axles: QR, 9mm, 12mm, 15mm, Boost
axle: QR, 12x135mm or 12x142mm, Boost
decals: laser etched monitor logo or coloured vinyl options

rims: JRA Monitor carbon in 650b or 29er. 397g rim weight (29er), 32mm external, 25mm depth and 25mm internal width.
decals: water transfer decal in colour options shown

spokes: Sapim CX-Ray bladed spokes – black)

weight (29er wheelsets): 

Straight pull centre-lock front 631g / rear 754g (pair 1385g)
Straight-pull 6-bolt 1415g

J-Bend centre-lock 1446g / J-bend 6-bolt 1510g

Additional information

material & finish


rim dimensions
internal rim width



Just Riding Along


wheel size


bead hook


braking options

6-bolt disk brake, centre-lock disk brake

riding type

gravel, MTB


1385 g

why buy from us


All wheels have a 3 year warranty on build quality and components, with a longer 5 year warranty for hub shells.
See our warranty page for more details and the small print.


To ensure reliable, prompt delivery our wheels are shipped via UPS to almost all locations in the UK and worldwide.
see our delivery page for more details.


All of our wheels are fully repairable. We stock a complete range of spares and can service, rebuild or repair any wheel sold by us.
order servicing here.

about us

We’ve been building wheels since 2005 and selling online in 2006. We developed our wheel building process and refined the components we offer for more than 17 years to offer reliable a wheels.
read our story here.

Just Riding Along hubs

We used the best hubs we could find for our range of wheels and hubs: Bitex. We have ridden them extensively and we are convinced that they offer outstanding durability, reliability and serviceability.

All jra hubs are fitted with sealed stainless steel bearings from TPI and Enduro. Freehubs feature a patented 6 pawl engagement with 48 points in road hubs and 54 point pick-up for MTB hubs.

about your wheels

custom built wheels

This wheelset is built to order. We hold most parts in stock and build them after you have ordered. The build time is advertised on the front page on under the title.

what’s included

  • Wheels are set-up with the axles and freehub you have selected.
  • All wheels have tubeless tape applied.
  • There are no additional parts provided.

build quality

During the building process all components are bedded in, stretched, and tensioned repeatedly so the wheels won’t go out of true. We inspect, check and finish every wheel with equal care.

handbuilt in the UK

We built the wheels in our York, UK workshop.

Configure your wheels