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Velopedia Bicycle Archive
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Compare published geometry, gearing and specifications for up to three bicycles.
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1 of 2 bicycles
At a glance
Key differences
Supported differences are shown below. Data limitations are labeled separately.
- Data limitation
No geometry is recorded for 1997 Trek Mountain Lion 30 (02).
- Data limitation
Only 1997 Trek Mountain Lion 30 (02) has enough published drivetrain data for gearing calculations.
Gearing comparison
Lower gears help on climbs. Higher gears suit higher speeds.
RPM
RPM = pedal turns per minute.
Ratio1.89:1
Estimated speed at 90 RPMGear
Uses front tire 20×2; rear size isn’t listed.
Gearing unavailable for this size.
How it works
Ratio = front teeth ÷ rear teeth. Hub gears also include the hub’s internal ratio. A 400% range means the highest ratio is four times the lowest.
Speeds are estimates from tire size and pedal cadence. Actual speeds vary.
Complete specification tableShows different published values and gaps where a bicycle lacks data. Different wording reflects source language, not necessarily different components. Swipe for more columns.
Specification
1997 Trek Mountain Lion 30 (02)
1998 Trek Mountain Lion 30 (02)
Overview
Model Year
1997
1998
Brand
Trek
Trek
Model
Mountain Lion 30 (02)
Mountain Lion 30 (02)
Bicycle Type
Juvenile
Juvenile
Original MSRP
$154.99
$156.99
Colors
Pink, Purple
Pink
Sizes
Girls 9.5"
Girls 9.5"
Weight
—
—
Frameset
Frame Construction
TIG-welded
Welded
Frame Material
Hi-tensile steel
Hi-tensile steel
Fork
Trek
Trek
Fork Material
Hi-tensile steel, unicrown crown
Hi-tensile steel, unicrown crown
Drivetrain
Crankset
1-piece steel, 36 teeth
1-piece 3 1/2"
Bottom Bracket
One piece
One piece
BB Shell Width
68mm English
—
Rear Cogs
1-speed, 19 teeth
1-speed
Chain
KMC 410, 1/2 x 1/8"
KMC 410, 1/2 x 1/8"
Pedals
Victor VP-872N
Resin
Brakes
Brakes
Coaster brake
Side-pull/coaster brake
Cockpit & Contact Points
Headset
1" LF 864B
1" steel
Handlebar
Steel
Steel
Stem
Steel
Aluminum
Saddle
Trek Paw Print
Trek Paw
Seatpost
Steel, 22.2 mm (7/8 inch) diameter
Steel, 22.2mm (7/8 inch) diameter
Wheels & Tires
Hubs
Front: steel, nutted, Rear: coaster brake
Front: steel, nutted, Rear: coaster brake
Rims
Steel, 36-hole
Steel, 36-hole
Spokes
Steel, straight gauge
Steel, 2.0mm straight gauge
Spoke Nipples
Brass nipples
Brass nipples
Front Tire
20 x 2.00" Trek Paw Print
20 x 2.00" Trek Paw
Wheel Size
20" wheels
20" wheels
Geometry · choose a size for each bicycle
Geometry size
—
Head-tube angle
—
69°
Seat-tube angle
—
71°
Chainstay / rear center
—
370.8 mm
Wheelbase
—
883.9 mm
Historical specifications are presented as an archival reference. Components may have varied by market, size, or production run. Legacy reference geometry is model-level historical data whose corresponding frame size is not identified; compare those dimensions as reference values rather than size-normalized fit data.