Spécialités TA

• Ideal replacement chainring for 10 or 11 speed double chainsets
• For perfect shifting quality, we strongly recommend pairing it with the Syrius Outer, with a size difference of between 12 and 16 teeth
• Made from CNC 7075 T6 aeronautical quality aluminium alloy, making it both light and strong
• Compatible with all 10/11 systems
• PCD: 110mm

The Syrius chainring is compatible with all 10/11V transmissions. The Syrius can be mounted on all brands of road cranksets with 5 spoke spacing, 110mm compact classic. Manufactured 100% CNC from aeronautical quality aluminum alloy 7075 T6, making it both light and rigid.

For perfect shifting performance, we strongly recommend pairing it with the inner Syrius 11, with a size difference of between 12 and 16 teeth. 100% Designed and manufactured in France.

* Origin: France
* Material: Aluminum 7075 T6
* Fitment: ø110mm/5 branches
* Speed: 10/11 Speed



Position * Inner: 34, 36, 38, 39 teeth
* Outer: 42, 44, 46, 48, 50, 51, 52, 53 teeth
Item Length: 230
Part Type: Bike Spares
Size: 38t
Sport/Activity: ‎Cycling
Type: Chainrings

Material: ‎Aluminium

UK Delivery:

• Free delivery on all orders of £10 or more.
• £1.49 delivery fee on orders below £10.
• UK orders are shipped via Royal Mail 2nd Class.

International Delivery:

• Flat rate delivery charges vary by country.

Dispatch and Delivery Times:

• All orders are shipped from our warehouse in Northampton, UK within 48 hours of receipt during working hours.
• UK mainland orders typically arrive within 3-5 working days via Royal Mail 2nd Class.
• International estimated delivery times:
• Europe & Channel Islands: 7 to 10 working days
• USA: 7 to 15 working days
• Rest of the World: 9 to 21 working days

View our full delivery infomation here.