Surly Mr. Whirly Fatbike Triple Crankset 22/32/44 Teeth

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Description of Surly Mr. Whirly Fatbike Triple Crankset 22/32/44 Teeth

Rather than restricting their stuff–and you–to the limits of category, Surly has designed multiple possibilities into their stuff as much as they can. The Mr. Whirly crank illustrates this nicely. It is the crank designed to meet your needs, even as those needs change. Run it as a single, double, or triple. Swap it between bikes. Mountain bike with it. Tour with it. Commute with it. Go nuts.

Here’s how it works. Mr. Whirly spiders are separately available in 3 common bolt circle diameters (94mm, 104mm, & 110mm) and are interchangeable, as they all connect via the 58mm BCD granny ring holes of the drive side arm. The spindle is made from cromoly steel. The arms and spiders are forged from 7075-T6 aluminium. The whole thing spins on outboard-style bearings.
The fatbike triple crankset comes with 22/32/44T rings installed on a 58/94 mm BCD spider. The outer and the middle ring are made of aluminium, the granny ring is made from stainless steel. This version comes with a spindle for 100 mm bb shell width.

The bearings on which they spin are also worth mentioning: Surly upgraded these bearings to aftermarket Enduro bearings with double labyrinth seals, meaning they actively shed and stay clean of dust, muck, and grime, even in wet and muddy climates.
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Fact Sheet of Surly Mr. Whirly Fatbike Triple Crankset 22/32/44 Teeth

Product Name: Surly Mr. Whirly Fatbike Triple Crankset 22/32/44 Teeth
Manufacturer: Surly Parts
Item Code: SUR267405
Year: 2017
Material: crank arms: 7075 T6 aluminium
spindle: chromoly steel
chainrings: aluminium
Chainwheel, number of teeth: 22/32/44 teeth
Fitting for derailleur: 3x9/10
Axle profile: 24 mm splined spindle
BB shell width: 100mm
Bolt Circle (mm): 94/58mm
Type of chain: 9/10-speed
Chainline: 64.4 mm
Q-Factor: 197 mm
Included in delivery: crankset including BSA bottom bracket cups
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