Praxis
Praxis - Time Trial Rings
Praxis - Time Trial Rings
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PRAXIS - TIME TRIAL RINGS
Praxis TT road chainrings are the result of relentless testing and tweaking, matched with the best material and manufacturing processes to create some of the smoothest running, most durable and sweetest shifting chainrings available. These TT rings are machined from 7075 T6 aluminium and hard anodized for even more durability. They also feature Praxis’ famous LevaTime Shifting Technology, which boasts synchronized ramps and strategically placed shift pins for perfectly timed shifts every time.
- 54/42 or 56/42 130BCD
- 54/42 for installation on a 5-arm 130BCD crank
- 56/42 for installation on either a 5-arm OR 4-arm w/hidden 5th (like SRAM Exogram)
- Hard Anodized 7075 T6 aluminium
- Works with 10/11sp drivetrains, highly suggest using KMC, Shimano™ or Campagnolo chains
- Great for use with Di2, EPS, or eTap shifting systems
Compatibility:
SHIMANO: Praxis rings shift great with both Di2 and mechanical Shimano 10/11sp drivetrains. Highly suggest Shimano, KMC, or Campy chain
SRAM: Praxis rings shift great with the e-Tap and mechanical SRAM 10/11sp drivetrains. Highly suggest Shimano, KMC, or Campy chain. Our rings work with the SRAM “YAW” front derailleurs
CAMPY: Praxis rings shift great with the EPS and mechanical Campy 10/11sp drivetrains. Highly suggest Shimano, KMC, or Campy chain. These rings are not compatible with Campy 5-arm cranks as they have proprietary bolt pattern that is not 110BCD or 130BCD
POWER METER: Compatible with spider-based power meters such as Power2Max, SRM and Quarq
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.
