1998 Trek Bikes 920 Base

	13	16.5	18	19.5	21	22.5	24
Stack	525.4mm	520.2mm	517.2mm	531.4mm	569.2mm	605mm	642.9mm
Reach	377.9mm	404.4mm	421.1mm	426.2mm	425.2mm	418mm	416mm
Stack to Reach Ratio	1.39:1	1.29:1	1.23:1	1.25:1	1.34:1	1.45:1	1.55:1
Seat Tube Length, Unknown	330mm	419mm	457mm	495mm	533mm	572mm	609mm
Top Tube Length, Effective/Horizontal Unknown	530mm	560mm	580mm	590mm	600mm	610mm	620mm
Head Tube Angle	70.5deg	71deg	71deg	71deg	71deg	71deg	71deg
Seat Tube Angle	74deg	73.5deg	73deg	73deg	73deg	72.5deg	72.5deg
Head Tube Length	90mm	90mm	90mm	105mm	145mm	185mm	225mm
Bottom Bracket Drop	44.8mm	37.8mm	34.8mm	34.8mm	34.8mm	32.8mm	32.8mm
Bottom Bracket Height	288mm	295mm	298mm	298mm	298mm	300mm	300mm
Chainstay Length	430mm	430mm	430mm	430mm	430mm	430mm	430mm
Chainstay Length Horizontal	427.7mm	428.3mm	428.6mm	428.6mm	428.6mm	428.7mm	428.7mm
Front-Center	590.1mm	611.8mm	628.4mm	638.4mm	650.4mm	656.1mm	667.1mm
Front-Center Horizontal	588.3mm	610.7mm	627.4mm	637.4mm	649.4mm	655.3mm	666.3mm
Wheelbase	1016mm	1039mm	1056mm	1066mm	1078mm	1084mm	1095mm
Fork Offset/Rake	38mm	38mm	38mm	38mm	38mm	38mm	38mm
Fork Length (Axle-To-Crown)	415mm	415mm	415mm	415mm	415mm	415mm	415mm
Trail	77.6mm high	74.4mm high	74.4mm high	74.4mm high	74.4mm high	74.4mm high	74.4mm high
Mechanical Trail	73.1mm	70.4mm	70.4mm	70.4mm	70.4mm	70.4mm	70.4mm
Wheel Flop	24.4mm	22.9mm	22.9mm	22.9mm	22.9mm	22.9mm	22.9mm
Standover Height	647mm	709mm	735mm	764mm	801mm	838mm	875mm
Tire to Pedal Spindle	87.2mm 170 mm cranks	109mm 170 mm cranks	120.5mm 175 mm cranks	130.5mm 175 mm cranks	142.5mm 175 mm cranks	148.2mm 175 mm cranks	159.2mm 175 mm cranks
Pedal Spindle to Ground Clearance	118mm 170 mm cranks	125mm 170 mm cranks	123mm 175 mm cranks	123mm 175 mm cranks	123mm 175 mm cranks	125mm 175 mm cranks	125mm 175 mm cranks

	13	16.5	18	19.5	21	22.5	24
Wheel Size	26 in 559 mm BSD	26 in 559 mm BSD	26 in 559 mm BSD	26 in 559 mm BSD	26 in 559 mm BSD	26 in 559 mm BSD	26 in 559 mm BSD
Tire Width	2.1in	2.1in	2.1in	2.1in	2.1in	2.1in	2.1in
Tire Outer Diameter	665.7mm	665.7mm	665.7mm	665.7mm	665.7mm	665.7mm	665.7mm
Bike Length with Tires	1681.7mm	1704.7mm	1721.7mm	1731.7mm	1743.7mm	1749.7mm	1760.7mm
Crank Length	170mm	170mm	175mm	175mm	175mm	175mm	175mm
Handlebar Width	580mm	580mm	580mm	580mm	580mm	580mm	580mm
Stem Length	90mm	105mm	105mm	120mm	120mm	135mm	135mm

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.

Learn more about the Upright/Aggressive Scale

Category Trend

Rigid MTB

Source:https://www.vintage-trek.com/Trek-Fisher-Klein-Lemond/1998specmanualTrek.pdf

Suggest Bike Edit

1998 Trek Bikes 920 Base

Geometry

Base Build

Stack and Reach vs. Category Trend