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ST™

The ST Series brings cutting - edge ethylene elastomer technology combined with high - strength carbon tensile cords — engineered specifically for city and leisure bikes. Designed for riders who value comfort, style, and everyday practicality, this belt is built to perform.

With exceptional durability and reliability, the ST Series is your perfect partner for urban mobility. It runs whisper - quiet, stays clean, and requires virtually no maintenance — ideal for daily commuting and spontaneous weekend rides. Rain or shine, the ST Series keeps going strong. Its weather - resistant construction ensures long - lasting performance, even when your bike lives outdoors. Like all Gates belt drives, it’s built on tough carbon tensile cords that deliver unmatched strength without the weight. Whether you're heading to work or cruising through the city, the ST Series is made for those who want to move through life effortlessly — stylishly, silently, and worry - free.

Labeled technical diagram of a belt drive showing the carbon tensile cords, wear-resistant surface coating, hypa tooth joints, and the HTD tooth profile.
Labeled technical diagram of a belt drive showing the carbon tensile cords, wear-resistant surface coating, hypa tooth joints, and the HTD tooth profile.
Labeled technical diagram of a belt drive showing the carbon tensile cords, wear-resistant surface coating, hypa tooth joints, and the HTD tooth profile.
Clean icon showing a yellow water droplet with a sparkle and the word CLEAN.

No rust or oil residue for clean fingers and pant legs. The Gates Carbon Drive does not require any lubrication. It has a dirt-repellent surface and can be easily cleaned with water when needed.

Quiet icon showing a yellow crossed-out megaphone and the word QUIET.

No more rattling, clattering or squeaking. This is now a thing of the past. The Gates Carbon Drive works quietly and unobtrusively with constant efficiency and thus provides more enjoyment while cycling.

Smooth icon with three yellow wavy lines and the word SMOOTH.

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Strong icon with a yellow anvil and the word STRONG.

Closed, circumferential carbon fiber strands transmit drive power directly and without elastic stretch for maximum safety and efficiency. The patented tooth profile prevents the belt from skipping even when high force is applied.