Description
- Tumbleweed Investment Cast BB yoke (Designed by Anna Schwinn) for maximum tire and mud clearance. Compatible with most Shimano mountain cranksets
- 73mm Tumbleweed exclusive Phil Wood Eccentric Bottom Bracket.
- Double butted, heat treated chromoly tubing. The best tubing available for this application
- Tumbleweed investment cast vertical dropouts (Designed by Anna Schwinn) with Rohloff OEM slot and chainstay mounted disc brake. M6 and M5 Rack and Fender mounts. Replaceable derailleur hanger (Wheels Manufacturing number 6)
- Braze ons: Front and rear rack and fender mounts, three water bottle mounts on frame, triple water bottle mounts on fork
- 135mm symmetrical QR rear hub spacing
- 135mm fork spacing for rear disc spaced hubs, allows front and rear wheel interchangeability or 110mm BOOST fork with 15mm Thru Axle (both are Unicrown, 100mm suspension corrected).
- Tire clearance for 26×4″ on 65mm rim (Rohloff SPEEDHUB or singlespeed only), 29×3.0″ on 50mm rim, or 27.5×3.25″ on 50mm rim
- Chainring clearance: 24-38 Mountain Double, or 24-32-42 Mountain Triple. Chainring clearance is only limited when the Eccentric BB is in the far rearward position. Larger chainring combinations may be used if this rear position is avoided. In order to use a 3″ tire with derailleurs, a 1x or offset 2x crankset must be used.
- 31.6mm seatpost, 35mm seat clamp
What’s new compared to the original Prospector? Mostly evolutionary changes. The cable routing has been tweaked by a few millimeters here and there. The chainstays are shorter by 5mm, and the bottom bracket has been raised by 5mm since the majority of our customers have built their bikes with 27.5+ wheels instead of 29+ wheels as we originally thought. The smaller wheel size works fine with the original Prospector since the eccentric bottom bracket allows for height adjustment, but raising the BB gives a little more pedal clearance for those rocky technical trail rides.
The fork is where most of the Prospector’s changes are visible. The triple bottle mounts are now on the backside of the fork blades by popular request, to allow cages and racks to more easily be used at the same time. There is also internal dynamo wire routing, since most of the bikes we built were specced with dynamo hubs and it’s always a good idea to protect that wire. There are also now two axle choices for the fork, the original 135mm quick release fork with rear disc spacing (to allow front/rear wheel swapping) as well as a new 110x15mm thru axle fork. The thru axle fork allows easy swaps with suspension forks without needing to build a new front wheel.
The new Midnight Blue color is rich and deep. The Sandglow color carries over from the original Prospector, but there are new decals and a headbadge.
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