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Sunrace external threaded bottom bracket designed for 24 mm crank axles, specifically compatible with Shimano HollowTech II systems. Built with alloy cups, composite spacers, and sealed cartridge bearings, it offers smooth, low-friction performance across MTB, gravel, city, and e-bike platforms. With a 68/73 mm BSA shell fit and silver anodized finish, it’s a dependable upgrade for advanced riders seeking durability and precision.
Features
- Durable alloy and composite construction
- Compatible with Shimano Hollowtech II
- Smooth, sealed bearing performance for varied terrain
Technical Specifications
- Material: Alloy cups, composite sleeve and spacers
- Fitting: BSA
- Use: Gravel, City, E-Bike,MTB,
Please be aware that images and descriptions are usually supplied by the brand / manufacturer and are in no way affiliated with Cycle Centre Congleton Limited T/A CycleStore. We only resell items from third parties and do not design or manufacture any products. Product information is compiled automatically from supplier data and occasional errors can occur — if a detail such as size, specification or price looks incorrect, please contact us to confirm before ordering.
| Order Value | Service | Estimated Delivery | Cost |
|---|---|---|---|
| Under £40 | Royal Mail Tracked | 2–3 working days from dispatch | £4.99 |
| £40 and over | Royal Mail Tracked | 2–3 working days from dispatch | FREE |
| Under £60 — Express | Royal Mail Tracked 24hr / Parcel Force 24hr | Next working day from dispatch | £6.99 |
| £60 and over — Express | Royal Mail Tracked 24hr / Parcel Force 24hr | Next working day from dispatch | FREE |
| Bikes | Parcel Force 48hr Signed For | 2 working days from dispatch | FREE |
Delivery times shown are from dispatch, not from the point of ordering. As we source products from a range of suppliers, lead times can vary — please check the product page, your cart, or your order confirmation for the most accurate estimate for this item.
Some remote UK postcodes (Highlands, Islands) may carry a courier surcharge on larger orders — we will always contact you before applying any additional charge.
Questions? Email sales@cyclestore.co.uk with your order number.
