What tyre rim combination can you run on a Fat Bike?

I have updated the Tyre/Chainset information for the “Fat Race” 26″ Fat bike. The frame can now handle 29+ tyres too! I have set out what tyres you can run with each chainset 3x 2x 1x (and the ideal chainline).

I have also worked out the tyre compatibility for each tyre with different size rims (100, 90, 82 and 65mm).

Worth a look because this information is relevant whichever Fat Bike you ride. www.traversbikes.com

Maximum Tire Width and Chain LineImage

Triple Chainset (inner chainline of 58.9mm) Max tire width 98.6mm
Compatible Tyres:
100mm rim: None
90mm rim: Surly Knard 26×3.8 (might rub slightly)
82mm rim: Surly Larry 26×3.8, Knard 26×3.8
65mm rim: Surly Endomorph 26×3.7, Larry 26×3.8, Black Floyd 26×3.8, Nate 26×3.8, Knard 26×3.8
29+ rim (up to 50mm): Surly Knard 29×3, Vee8 29×3, 45NRTH Nicotine 29×2.35

Double Chainset (inner chainline of 63mm) Max tire width 104.6mm
Compatible Tyres:
100mm rim: Surly Knard 26×3.8
90mm rim: Surly Knard 26×3.8, Endomorph 26×3.7, Black Floyd 26×3.8
82mm rim: Surly Knard 26×3.8, Endomorph 26×3.7, Black Floyd 26×3.8, Larry 26×3.8, Nate 26×3.8
65mm rim: Surly Knard 26×3.8, Endomorph 26×3.7, Black Floyd 26×3.8, Larry 26×3.8, Nate 26×3.8, Big Fat Larry 26×4.7, Lou 26×4.7, Bud 26×4.7 (might rub slightly), Vee Snowshoe 26×4.7, Vee8 26×4, Vee Mission 26×4, 45NRTH Husker Du 26×4, 45NRTH Escalator 26×4, 45NRTH Dillanger 4 26×4, Origin8 Devist8er 26×4, Origin8 Devist-8er UL 26×4
29+ rim (up to 50mm): Surly Knard 29×3, Vee8 29×3, 45NRTH Nicotine 29×2.35

Single Chainset (inner chainline of 66.5mm) Max tire width 109.7mm
Compatible Tyres:
100mm rim: Surly Knard 26×3.8, Endomorph 26×3.7, Black Floyd 26×3.8, Larry 26×3.8, Nate 26×3.8
90mm rim: Surly Knard 26×3.8, Endomorph 26×3.7, Black Floyd 26×3.8, Larry 26×3.8, Nate 26×3.8, Vee8 26×4
82mm rim: Surly Knard 26×3.8, Endomorph 26×3.7, Black Floyd 26×3.8, Larry 26×3.8, Nate 26×3.8, Big Fat Larry 26×4.7, Vee Snowshoe 26×4.7, Vee8 26×4, Vee Mission 26×4, 45NRTH Husker Du 26×4, , 45NRTH Escalator 26×4, 45NRTH Dillanger 4 26×4, Origin8 Devist8er26x4, Origin8 Devist-8er UL 26×4
65mm rim: Surly Knard 26×3.8, Endomorph 26×3.7, Black Floyd 26×3.8, Larry 26×3.8, Nate 26×3.8, Big Fat Larry 26×4.7, Lou 26×4.7, Bud 26×4.7, Vee Snowshoe 26×4.7, Vee8 26×4, Vee Mission 26×4, 45NRTH Husker Du 26×4, , 45NRTH Escalator 26×4, 45NRTH Dillanger 4 26×4, Origin8 Devist8er26x4, Origin8 Devist-8er UL 26×4
29+ rim (up to 50mm): Surly Knard 29×3, Vee8 29×3, 45NRTH Nicotine 29×2.35

www.traversbikes.com

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