2019 Tideace FM-XC181 base

	15.5	17.5	19	21
Stack	587.6mm	597mm	611mm	629.7mm
Reach	407.8mm	432.2mm	456.4mm	477.3mm
Stack to Reach Ratio	1.44:1	1.38:1	1.34:1	1.32:1
Seat Tube Length, C-T	394mm	445mm	483mm	553mm
Top Tube Length, Effective/Horizontal HT Top	568mm	595mm	623mm	649mm
Head Tube Angle	69.5deg	69.5deg	69.5deg	69.5deg
Effective Seat Tube Angle, ETT HT Top	74.75deg	74.75deg	74.75deg	74.75deg
Head Tube Length	95mm	105mm	120mm	140mm
Bottom Bracket Drop	38.9mm	38.9mm	38.9mm	38.9mm
Bottom Bracket Height	329.3mm	329.3mm	329.3mm	329.3mm
Chainstay Length	460mm	460mm	460mm	460mm
Chainstay Length Horizontal	458.4mm	458.4mm	458.4mm	458.4mm
Front-Center	658.9mm	686.8mm	716.2mm	744.1mm
Front-Center Horizontal	657.8mm	685.7mm	715.2mm	743.2mm
Wheelbase	1116.1mm	1144mm	1173.5mm	1201.5mm
Fork Offset/Rake	42mm	42mm	42mm	42mm
Fork Length (On-Axis)	506mm	506mm	506mm	506mm
Trail	92.8mm very high	92.8mm very high	92.8mm very high	92.8mm very high
Mechanical Trail	86.9mm	86.9mm	86.9mm	86.9mm
Wheel Flop	30.4mm	30.4mm	30.4mm	30.4mm
Tire to Pedal Spindle	120.8mm 170 mm cranks	148.7mm 170 mm cranks	178.1mm 170 mm cranks	206mm 170 mm cranks
Pedal Spindle to Ground Clearance	159.3mm 170 mm cranks	159.3mm 170 mm cranks	159.3mm 170 mm cranks	159.3mm 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.

Category Trend

Source:https://www.ebay.com/itm/FM-XC181-29er-27-5er-Boost-T800-Carbon-Fiber-Full-Suspension-Mountain-Bike-Frame-/264389257346

Geometry