Shimano 105 12-speed mechanical groupset - the worst-kept secret in cycling tech - is finally here

The 'groupset for the masses' offers a modern gear range for an affordable price; will Tiagra be next?

Shimano 105 speed mechanical
(Image credit: Shimano)

The arrival of a 12-speed Shimano 105 mechanical groupset has been one of the worst kept secrets in tech news all year. We predicted its launch back in the January Tech of the Month video, which was then bolstered by an accidental new bike release by KHS. 

On January 6, the American bike manufacturer listed a new bike on its website which was equipped with the yet unannounced groupset. The listing was taken down promptly but it was too late; news had spread.

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