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4130 steel frame and fork with semi-compact geometry
Shimano Tiagra 2x10
FSA Omega crankset 48-32 crankset with 11-34t cassette
TRP HYRD mechanically actuated hydraulic disc brake
WTB Horizon 650bx47 tires and WTB STi23 rims
The Doppler offers riders a traditional brevet and touring bike with smooth-rolling 650B tires that can venture into the dirt for those off-road excursions. While gravel riding is the latest trend, 650b wheels have been a well-kept secret within the brevet community for decades! 650b offers a distinct advantage by offering a larger-volume tire to provide both greater cushion and traction on rough roads. The smaller- diameter 650b rims also provide a stronger wheel which is ideal for loaded touring or harsh conditions. Compared to the Inversion and Radar the Doppler frame offers a more classic road bike geometry while still offering a high level of functionality with a wide-range drivetrain and frame features.