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Ellsworth's new 140mm travel Evolution 29er was developed with Brian Lopes. It features Ellsworth's anti-torsion Boost Hex-taper axle, hex-key shock pin, dual row angular contact sealed cartridge bearings, wide-bore threaded pivot pins, internal cable routing, Di2-ready electronics den, dual bottle cage mounts, and a 73mm threaded bottom bracket. 27.5+ tires will fit the frame as well, though Ellsworth is aiming this one at the enduro race crowd. Complete weight for an SLX build in size medium is a claimed 28.7-pounds. Ellsworth prides itself on having no growth in wheelbase or chain length as the rear suspension is compressed.