Praxis
Praxis - Doon Carbon DM M30 Road Cranks
Praxis - Doon Carbon DM M30 Road Cranks
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PRAXIS - ZAYANTE CARBON - DIRECT MOUNT M30 ROAD CRANKS
BONNY DOON
Along the Santa Cruz coast on Highway One, there's an inland turn that sends shivers down riders' spines: the ocean-side transition onto Bonny Doon Road. One of the most famous roads in all of Santa Cruz, and a perfect fit for our new pro-level road crank.
Our Pro level carbon road crank. The Doon is the ultimate marriage of lightness, stiffness and versatility. Thanks to our in-house C.R.A.F.T. carbon process a pair of DOON 172.5 arms hits the scale at a feathery 342g. The M30-THRU spindle allows tunable preload for ours or any brand's 30mm/30 BB, the Doon can also be built as a top flight 1X crank.
| BUY THIS IF | You want our lightest weight professional level carbon road crank that is 10/11/12sp compatible |
| MATERIAL | Carbon Arms | Aluminum Spider & Rings | Alloy M30-THRU spindle (30mm/30mm) |
| GEARING | LevaTime II X-RING | 48/32, 50/34, 52/36 |
| CHAIN | 10/11/12sp KMC, SHIMANO, SRAM - All regular or "Flat-Top" |
| WEIGHT | 342g : 172.5 Armset 542g : 172.5 with 48/32 570g : 172.5 with 50/34 574g : 172.5 with 52/36 602g : 172.5 with 53/39 |
| CHAINLINE | 2X = 44.5mm ROAD | NOT compatible with Shimano GRX front derailleurs 1X = 45.5mm ROAD |
| Q-Factor | 147mm |
| BB | This crank uses our M30-THRU BB FAMILY HERE M30-THRU = 30mm Drive Bearing / 30mm NonDrive Bearing Offered in BSA / BB86 / T47 I.B / T47 E.B / BB30 / PF30 / 386EVO / BBRight |
| TECH | C.R.A.F.T. Cabon Mfg. Cold Forged Ring Mfg. LevaTime II Shifting |
Shipping
Shipping
Click & Collect – Free
Order online & collect at our Onehunga store.
NZ Shipping Costs
- General Items: $10/item
- Bikes & Frames: $120 (North Island) / $199 (South Island)
- Large/Bulky Items: $30 (North Island) / $60 (South Island)
- Helmets: $20 (North Island) / $25 (South Island)
Rural: Extra fee applies — select “Rural Delivery” at checkout.
International Orders – Contact info@rouleurcycles.co.nz for a quote.
Bike Shipping
- Fully assembled, tuned & safety‑checked before dispatch.
- Carefully boxed (minimal reassembly required).
- Recommend mechanic check before first ride.
Timeframes
- General: 3–5 working days (+1–2 for rural)
- Bikes: 5–7 working days (up to 10 remote) + prep time for build/boxing
- Delays may occur during holidays or courier disruptions.
Tracking & Issues
- Tracking emailed once dispatched.
- Contact the courier first for delays. Need help? Email or call us.
- Report damaged/lost parcels within 3 days.
No PO Boxes – Physical addresses only.
Why Buy From Rouleur?
Why Buy From Rouleur?
Trusted NZ Bike Experts – Locally owned & operated with years of experience helping Kiwi riders get the most out of their bikes.
Custom Builds & Personal Fitting – From road to e‑bikes, we tailor every build to your riding style and goals.
Fast, Reliable Shipping – In‑store stock ships next business day. Supplier stock delivered in as little as 3–5 days.
After‑Sales Support That Rides With You – From servicing to upgrades, our workshop team is here for the long haul.
