Name: 2026 Crust Bikes Desert Rat Base
Brand: Crust Bikes

	Small	Medium	Extra Medium	Large	Extra Large
Stack	580mm	602mm	632mm	660mm	682mm
Reach	395mm	420mm	433mm	458mm	480mm
Stack to Reach Ratio	1.47:1	1.43:1	1.46:1	1.44:1	1.42:1
Seat Tube Length, C-T	430mm	450mm	470mm	520mm	530mm
Top Tube Length, Effective/Horizontal Center	561.7mm	590.5mm	619.6mm	648.8mm	678.9mm
Top Tube Length, Effective/Horizontal HT Top	558mm	587mm	615mm	645mm	675mm
Top Tube Length, Actual C-C	542mm	569mm	597mm	624mm	653mm
Top Tube Slope	21deg	20deg	20deg	18deg	18deg
Head Tube Angle	68deg	68deg	68deg	68deg	68deg
Seat Tube Angle	74deg	74deg	74deg	74deg	74deg
Head Tube Length	140mm	160mm	200mm	225mm	245mm
Bottom Bracket Drop	62mm	62mm	62mm	62mm	62mm
Bottom Bracket Height	315mm	315mm	315mm	315mm	315mm
Chainstay Length	450mm	450mm	450mm	450mm	450mm
Chainstay Length Horizontal	445.7mm	445.7mm	445.7mm	445.7mm	445.7mm
Front-Center	659.2mm	691.1mm	723mm	756.8mm	787.7mm
Front-Center Horizontal	656.3mm	688.3mm	720.3mm	754.3mm	785.3mm
Wheelbase	1102mm	1134mm	1166mm	1200mm	1231mm
Fork Offset/Rake	52mm	52mm	52mm	52mm	52mm
Fork Length (Axle-To-Crown)	432mm	432mm	432mm	432mm	432mm
Trail	96.3mm very high	96.3mm very high	96.3mm very high	96.3mm very high	96.3mm very high
Mechanical Trail	89.2mm	89.2mm	89.2mm	89.2mm	89.2mm
Wheel Flop	33.4mm	33.4mm	33.4mm	33.4mm	33.4mm
Standover Height	800mm	820mm	840mm	875mm	890mm
Tire to Pedal Spindle	112.2mm 170 mm cranks	144mm 170 mm cranks	175.9mm 170 mm cranks	209.8mm 170 mm cranks	240.7mm 170 mm cranks
Pedal Spindle to Ground Clearance	145mm 170 mm cranks	145mm 170 mm cranks	145mm 170 mm cranks	145mm 170 mm cranks	145mm 170 mm cranks

Very Upright

Somewhat Upright

Average

Somewhat Aggressive

Very Aggressive

The Bike Insights Upright/Aggressive scale is based on analysis of a bike’s proportions relative to similar sized bikes in the same category.

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2026 Crust Bikes Desert Rat Base

Geometry