What They Say... The Prospector is our timeless and rugged expedition mountain touring bike, designed around the stalwart Rohloff Speedhub drivetrain. It’s a bike designed to be reliable, tough and field serviceable in the harshest of conditions. In the face of ever changing bicycle part standards and the integration of exotic materials, the Prospector is built to last and to buck the trend of short product cycles and throw away upgrade culture. We believe that the most important features of a reliable expedition bike are a comfortable fit, a tough frame/fork, strong wheels, reliable components, and as much tire/mud clearance as possible. While the Prospector is derailleur compatible, it was designed specifically around the Rohloff SPEEDHUB, a 14 speed internally geared drivetrain that has proven itself to be supremely dependable and capable. We've been using Rohloff hubs on our tours for over a decade and tens of thousands of miles through sand, mud, snow and at elevations of up to 18,000' without issue. The Prospector has several features that separate it from other expedition bikes. We use the best chromoly tubeset available, it's oversized, heat treated, multi-butted with integrated gussets, and it's custom drawn just for the Prospector. A Phil Wood eccentric bottom bracket offers half an inch of bottom bracket height adjustability, custom cast dropouts work seamlessly with the Rohloff hub, and a hollow chainstay yoke maximizes every millimeter of mud and tire clearance to round out a complete package that can take you anywhere in the world with confidence. Frame Material Heat-treated custom chromoly tubeset Rack/Fender Compatibility Rack and fender compatible, three bottle mounts on frame triangle Fork Unicrown Chromoly steel with 135mm quick release, 110x15mm thru axle (thru axle included) or 150x15mm thru axle (thru axle included), upper and lower rack mounts, fender mounts, triple bottle cage mounts on fork legs, internal dynamo wire routing Max Tire Clearance 26x4.0", 27.5x2.8-3.8˝ and 29 x 2.1-3.0˝, individual tire and rim combos affect tire clearance Headtube 44mm I.D. Headset Recommend EC44 lower cup. ZS44 upper cup. Bottom Bracket 73mm, threaded English (1.37˝ x 24t) Phil Wood Eccentric Insert. M8 cupped point set screws (8mm x 1.25 thread pitch) Rear Axle 135mm quick release Seatpost Diameter 31.6mm Dropper Seatpost Compatibility Internally routed for dropper post Seat Clamp (included) 35mm Drivetrain Compatibility Rohloff or 1x derailleur drivetrain recommended Brake Compatibility 51mm I.S. disc caliper mounts, 180mm max rotor size, minimum 160mm rotor Fork Axle to Crown 483mm Fork Steer Tube Length 300mm Rear dropouts Vertical with integrated non-driveside Rohloff OEM slot and replaceable derailleur hanger, 135mm quick release or bolt-on hub spacing compatibility; features threaded M5 and M6 eyelets for fenders and racks Chainring clearance 1X Boost, 1X Super Boost Crank clearance Chainstay width is 140mm, crank arms must have 144mm inner width, 24mm spindle recommended Frame Geometry Small Medium Large Extra Large Effective Top Tube Length 600mm 620mm 640mm 660mm Seat Tube Length 15" 17" 19" 21.5" Head Tube Angle 69.5° 69.5° 69.5° 69.5° Seat Tube Angle 73° 73° 73° 73° Bottom Bracket Drop* 58.5mm 58.5mm 58.5mm 58.5mm Chainstay Length* 456mm 456mm 456mm 456mm Head Tube Length 110mm 130mm 145mm 160mm Fork Length 482mm 482mm 482mm 482mm Wheelbase 1128mm 1149mm 1170mm 1191mm Fork Offset 53mm 53mm 53mm 53mm Stack 608mm 626mm 640mm 655mm Reach 414mm 419mm 444mm 461mm Standover** 772mm 806mm 837mm 871mm Recommended Rider Height 5'2"-5'7" 5'6"-5'10" 5'10"-6'2" 6'1"-6'7" Recommended Rider Saddle Height 63-69cm 68-73cm 74-81cm 80-88cm
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