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2018 Mosaic Cycles GT-1: Green with ENVE

By Bruce Lin

This custom green Mosaic GT-1, with Spectrum’s 3-tone paint job, was built as a show bike for NAHBS (North American Handmade Bicycle Show).

Mosaic Cycles GT-1

On the front is ENVE’s new gravel specific fork. It features an integrated carbon front fender, and is paired with a rolled aluminum Honjo fender on the rear.

Mosaic Cycles GT-1 with Enve Fork

The fenders have been an interesting point of contention in the shop (I am one of only a few here who actually digs them). Beyond the simple and practical utility of keeping your bike cleaner, I think they give the bike a classic and understated look, making it a true sleeper. To me, there would be nothing more deviously satisfying than dropping all your friends on their carbon race machines, while riding a metal bike with fenders.  

Mosaic Cycles GT-1 with Rear Fender

The GT-1 is a top of the line gravel road bike built by Mosaic Cycles. It uses double-butted titanium tubing that is smaller in diameter than what is used in Mosaic’s road frames to provide extra compliance and comfort over rough terrain, while an oversized bottom bracket and headtube keep it stiff at key points to help deliver power to the ground when it counts.

Mosaic Cycles GT-1 with bottom bracket

Mosaic Cycles GT-1 with Chris King headset

Mosaic Cycles GT-1 with Chris King headset

The GT-1 is on the racier end of gravel bikes, with steep angles and short chainstays to keep the bike feeling lively, while still having a relatively low bottom bracket, increased tire clearance, and slightly longer wheelbase to give it better stability and capability off-road.

Mosaic Cycles GT-1 with oversized bottom bracket

Mosaic built this GT-1 with Shimano’s new R8000 Ultegra groupset, which benefits from trickle-down technology from Shimano’s Dura-Ace group. The shift action is lighter and the cassette range is larger (up to 11-34). The bike rolls along on a set of Reynolds’ super wide and aero ATR carbon wheels. 

Mosaic Cycles GT-1

Mosaic Cycles GT-1 with Shimano Ultegra groupset

The GT-1 is an epic titanium bicycle that can truly do it all, shining in any situation where there may be mixed terrain between asphalt, dirt, or gravel.

Mosaic Cycles GT-1

Not familiar with Mosaic Cycles? They are a custom bicycle builder based right here in Boulder, Colorado, specializing in handcrafted titanium and steel frames that are meant to look beautiful and last a lifetime. Mosaic’s philosophy is rider-centric and all about breaking the bonds and limitations of factory bikes. They balance fit, ride quality, and durability to produce a customer’s perfect “forever bike.” Their frames are always supremely finished, with subtle etching and polished logos that create a style that is uniquely Mosaic. If you prefer more flash, their stunning custom paint is done in house by Spectrum Paint Powder Works.

The Mosaic GT-1 has few comparable competitors, but if you like it you can also check out the Moots Routt or the Alchemy Hyas, both high-end handbuilt gravel bikes, made here in Colorado.

Click here to check out the Mosaic GT-1 at on the shop.

See our Mosaic Collection.

See our Gravel Bike Collection.

 

Bruce is a writer who loves getting his bikes dirty, trying new tech, and riding tough trails that make him suffer for hours at a time. 


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