ROLLCii BCD104 4-BOLT FULL-MACHINED CHROMOLY STEEL N/W CHAINRING BLACK
ROLLCii BCD104 4-BOLT FULL-MACHINED CHROMOLY STEEL N/W CHAINRING BLACK
The ROLLCii BCD104 chainring is fully CNC machined from chromoly steel, built for riders who value durability over the long run.
Compared to aluminum, chromoly steel resists wear far better, holding its shape and performance even after countless kilometers. And unlike typical stamped steel chainrings, full CNC machining provides greater stiffness and more direct power transfer, delivering a solid, confident feel with every pedal stroke.
It’s a chainring made for long-distance riding, bikepacking, and loaded adventures—where consistency, reliability, and peace of mind matter more than chasing grams.
For high-power use such as e-bikes, where drivetrains tend to wear quickly, chromoly steel simply lasts longer—making it a sensible material choice.
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International shipments may be subject to import duties, taxes, and customs fees, which are not included at checkout and must be paid by the buyer upon delivery.
If an order is refused or unclaimed due to unpaid customs charges, we are unable to refund the original shipping cost, and any return freight or fees charged to us will be deducted from the refund.


