Rotor
Rotor T4730 T47 External ABEC3 Steel for 30mm
Rotor T4730 T47 External ABEC3 Steel for 30mm
In stock
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ROTOR T4730 External BB. You think that your bike's performance features could be enhanced with components selected á la carte at your local bike shop — and that you should be able to accomplish this despite the spawn of deviant bottom bracket "standards" that have created component compatibility issues.
Threaded bottom brackets like your T47 BB shell shouldn't foil plans to upgrade your ride. ROTOR T4730 bottom bracket is the "yes" component to "Is this compatible with my T47 threaded BB shell for a 30 mm axle?"
Details
| Weight | T4730 External BB Steel Black - 103g |
| Material | Aluminum alloy 7075 100% CNC-machined |
| Compatible Crankset Brand | ROTOR |
| Material Bearing | Steel |
| Axle diameter compatible | 30mm |
| Shell Width | 68/73mm |
| Frame Type | T47 |
| Discipline | Road | Triathlon | Gravel | Cyclocross | MTB |
ROTOR BOTTOM BRACKET COMPATIBILITY GUIDE
Shipping
Shipping
Click & Collect – Free
Order online & collect at our Onehunga store.
NZ Shipping Costs
- General Items: $8/item
- Bikes & Frames: $100 (North Island) / $120 (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.
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