TheSpecialized Rockhopper 27.5, Specialized Rockhopper 29, and Specialized Rockhopper Expert 29 are all aluminum frame hardtail crosscountry bikes. The Rockhopper 27.5 has 27.5″ aluminum wheels, while the Rockhopper Expert 29 has better components and a better fork.
Thecarbon Santa Cruz Chameleon C is offered as a frame only for $1,599, in S or S+ builds for $3,799, or SE/SE+ for $5,699. We’re testing the 29er SE build with custom blue Hope hubs and headset, Santa Cruz Reserve 27 carbon rims (the 27.5+ SE+ gets Reserve 37). The build kit offered on the high-end SE is pretty well dialed, especially the
Designedaround 29er or 27.5+ tires, with raw brass fillets, a bi-plane, curved offset fork, custom butted tubes, and short telescoping chainstays, this frame is a new take on a classic. The Smokestone Mr Harry is a titanium hardtail mountain bike with external cable routing, dropper post routing, adjustable dropouts, and clearance for 29×
The27.5″ wheel size accelerates fast and the 29er rolls fast (once you get up to speed). Whether you’re riding at Jonathan Dickinson State Park , Markham Park , or anywhere in
Headtube angle (HTA) . Starting with either a 27.5″ or 29er bike, converting to mixed wheel will generally slacken the head tube angle by about a degree, give or take. I plugged in the geometry for two different hardtails, each with a 66.5° head tube angle, and with a mixed-wheel setup, both HTAs landed just below 65.5°.
Earlybikes had 26 inch wheels but now almost all have larger 27.5″ or 29″ wheels for more speed and efficient climbing. Suspension didn’t arrive on the scene until the early 1990s. With a hardtail vs full suspension, the lighter and stiffer hardtail will always win on the flats and pavement. The same is true on steep, long climbs.
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27 5 vs 29 hardtail
