Dirtlab
Paratu CP E-Bike Maxon Bikedrive AIR S Frame Kit
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The Dirtlab Paratu CP Frame: A revolutionary e-bike frame kit with our latest G-Volve geometry and K-Volve kinematics, S-Volve sizing & fitted with the new Maxon Bikedrive Air S engine system for more power and range:
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"Paratu" is the Bunun language term used to describe "Lightning" and is spoken as "Paratun." This bike is as fast as lightning, and Lightning stands for electricity as well.
- G-Volve geometry is long, not too low, and slack. A 63.5-degree Head angle paired with a 77.8 seat tube angle.
- K-Volve kinematics here we switched from traditional Horst link to a concentric pivot, ruling out brake chatter disturbances to optimize the bottomless feel we are known for. low position when you use 29" F&R, High when you want a mullet setup 29F 27.5R.
- S-Volve sizing has become even better, as each frame now offers sizes within its range. We utilize a RA (Reach Adjust) headset system, allowing you to start in the 0 position, travel down your fork 10mm and use the shorter -5 position, or fork up 10mm and use the longer +5 position. The same thing works for people who are between our sizes; they can use the longer frame and start short or the smaller frame and start long.
- Driven by the new Maxon Bikedrive AIR S drive system: 90 Nm, 620 W, 400Wh internal battery, and an optional 250Wh. range extender.
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Collaboration with Maxon: From 2020 to 2022, we worked closely with Maxon to integrate and refine the frame and engine system, ensuring a top-notch e-bike that rides like a dream. This resulted in the Maxon Bikedrive Air systems a 2x you system. Since then, the market has evolved, and more power was needed, so we embarked on the second phase of the Air S system, which resulted in increased power and range. We maintained the original smoothness and almost zero drag feeling in the engine, meaning that you can ride it analog if you switch off the modes, so the gears retract from the driveshaft.
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Engine Excellence:
- Inspired by NASA’s Mars rover and copter engines
- Compact and robust with a maximum power output of 90 Nm
- Three customizable ride modes are available via a Bluetooth app.
- Combine your data acquisition with many GPS watches or bike computers
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Lightweight Design:
- Engine system: Only 3.7 kg
- Frame: Approximately 2490grs, color/size-dependent
- Complete bike weights: Between 16.9 Kg. (SL TRAIL build spec)-19.5 Kg. (full enduro coil spec.).
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Maxon Modeshifter by Zirbel
Maxon HMI display w. integrated processor
Maxon Bikedrive air Sengine 2 kg 90 Nm 666W.
Maxon 400Wh intube Battery 1.8k
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Customization Options:
- Four rear suspension travel options: 145, 150,160 mm, or 165mm (230 eye to eye length shock, using 57,5/60/62.5/65 stroke lengths )
- Compatible with 150-180mm front forks
- 29F&R or 29F 27.5R flip chip for unchanged geometry when switching rear wheels.
- Reach adjust headset to make sure with each travel option, you can ride in the sweet spot of sizing by adjusting the reach from 0 to -5 and +5mm.
- Framekit includes: Frame, Reach Adjust Headset, Engine system, E13 core Crankset and DM 32/34T Chainring.
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Powerful Battery System:
- Maximum engine output: 90 Nm and 620 W power
- In-tube battery: 1.8Kg, 400Wh, rechargeable in 3 hours
- Optional 250Wh range extender for longer adventures
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Ride Dynamics:
- Engine tuned for MTB-specific cadence at an average of 65RPM
- Battery efficiency allows for 2-5 hour rides
- Eco-Trail and Boost modes with a magnetic shifter for easy control
- The closest you can get to real biking with 3x your strength available.
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Color Customization: Choose any Pantone color for a fully personalized bike, with a maximum lead time of 5 weeks for stocked frames. The custom paint cost is an upcharge.
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Need More Info? If you have questions or want to chat, drop us an email at sales@bikelab-inc.com
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We hope this breakdown makes everything about the Dirtlab Paratu CP frame clearer and that it has sparked you to get one. If you have any more questions or need further assistance, feel free to ask, we do one-to-one video meetings as an extra service free of charge, and can assist you in buying the right E-bike. 😊
Some complete build examples of the Paratu CP, contact us for complete builds via sales@bikelab-inc.com, please, then we can guide you through the offerings we have and build your dreambike:
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'); } if (shockPrice > 0){ var sBundle = Math.round(shockPrice * MULT); bundle += sBundle; lines.push('Shock (bundle price):' + fmt(sBundle) + '
'); } document.getElementById('dl-bundle-summary-lines').innerHTML = lines.join(''); document.getElementById('dl-bundle-total').textContent = fmt(bundle); }; window.dlBundleAddToCart = async function(){ var btn = document.getElementById('dl-bundle-addcart'); var msg = document.getElementById('dl-bundle-msg'); btn.disabled = true; btn.textContent = 'Adding to cart\u2026'; msg.style.color = '#aaa'; msg.textContent = ''; try { var frameId = getFrameVariantId(); if (!frameId){ msg.style.color = '#ff6b6b'; msg.textContent = 'Could not detect frame variant. Please pick a size first.'; btn.disabled = false; btn.textContent = 'Add bundle to cart \u2192'; return; } var forkSel = document.getElementById('dl-bundle-fork'); var shockSel = document.getElementById('dl-bundle-shock'); var itemIds = [frameId]; if (forkSel && forkSel.value) itemIds.push(parseInt(forkSel.value, 10)); if (shockSel && shockSel.value) itemIds.push(parseInt(shockSel.value, 10)); for (var i = 0; i < itemIds.length; i++){ var r = await fetch('/cart/add.js', { method: 'POST', headers: {'Content-Type': 'application/json', 'Accept': 'application/json'}, body: JSON.stringify({id: itemIds[i], quantity: 1}) }); if (!r.ok){ var err = await r.json().catch(function(){ return {description: 'Unknown error'}; }); throw new Error(err.description || ('HTTP ' + r.status)); } } window.location = '/cart'; } catch (e){ msg.style.color = '#ff6b6b'; msg.textContent = 'Could not add bundle: ' + e.message; btn.disabled = false; btn.textContent = 'Add bundle to cart \u2192'; } }; if (document.readyState === 'loading'){ document.addEventListener('DOMContentLoaded', window.dlBundleRecalc); } else { window.dlBundleRecalc(); } })();
Paratu CP — Key Specifications
| Motor | Maxon BIKEDRIVE AIR S — 90Nm / 620W peak / 400% assistance |
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| Battery | 400Wh integrated (+ 250Wh range extender optional) |
| Rear travel | 145 / 150 / 160 / 165mm (shock-stroke adjusted) |
| Fork travel | 170mm recommended |
| Anti-rise | 49.1% (Concentric Pivot geometry, fixed) |
| Frame material | Carbon fibre (continuous-fibre front triangle) |
| Bottom bracket | T47 thread-together (73mm shell) |
| Rear axle | 148mm Boost |
| Derailleur hanger | UDH (Universal Derailleur Hanger) |
| Sizes | S / M / L |
| Price | $6,589 USD / EUR 5,990 (frame kit only) |
Paratu CP — Common Questions
The Paratu CP uses the Maxon BIKEDRIVE AIR S motor with 90Nm torque, 620W peak power, and 400% maximum assistance.
Anti-rise is 49.1%, fixed by the Concentric Pivot (CP) linkage geometry. This does not change with travel setting or rider weight.
Yes. The optional Maxon BIKEDRIVE AIR S range extender adds 250Wh to the 400Wh main battery for 650Wh total capacity. It is available as a separate add-on.
Rear travel can be set to 145, 150, 160, or 165mm by selecting the appropriate shock stroke. The frame ships configured to your chosen travel.
The Paratu CP is a frame kit — it does not include motor, battery, fork, shock, drivetrain, or wheels. You source components separately or build through a Dirtlab dealer.