Description
This is the second version of a 650b mountain bike from Ritchey – Tom started to design his first in 1977. Even back then, Tom had a feeling that there was an advantage to the middle wheel size, but it took the rest of the cycling world three decades to figure it out: a 650b (or 27.5 ) wheel provides the bump-eating smoothness of a 29er, with the light, responsive feel of 26 wheels. Finally, the era of the 650b wheel is here. The P-650b is a close relative to the P-29er. Up front there's the proprietary forged-and-machined, gram-shaving integrated head tube featured on all new Ritchey frames. Forged socket dropouts nd new chainstay-mounted rear disc brake mount save a few more grams. And like every frame we make, geometry and tubing is carefully fine-tuned by Tom, to bring the legendary balanced, nimble Ritchey feel to 27.5 wheels. Ritchey forged-and-machined 1.5” tapered head tube Clearance for up to 2.1” tires, depending on tire and rim manufacturer Specifications: Fork: Designed for use with 100mm travel forks Headset: Integrated 1.5 tapered Upper bearing: 41.8mm OD / IS42/28.6 (S.H.I.S.) Lower bearing: 52mm OD / IS52/40 (S.H.I.S.) Bottom Bracket: 68mm English threaded Rear spacing: 10x135 Front derailleur: 28.6 low clamp – top or dual pull Weight: 2178g / 4.8 lbs (M/17 , frame only)
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