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2005 Trek Session 77

Original specifications: Mountain Mix drivetrain · 26" wheels.

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At a glance

Model year
2005
Category
Mountain
Original MSRP
$3,409.99
Sizes
15.5", 17.5", 19"
Colors
Black
In this record
25 specifications · archived image · original MSRP
Archive ID
10380
Model history 2 other years
Original buildZR 9000 aluminum · Mountain Mix · 26" wheels

Manufacturer catalog

Published sizes and colors

3 sizes · 1 color

Manufacturer-published sizes and colors; availability and exact size/color pairings may vary by market or production run.

Published sizes

15.5"17.5"19"

Published colors

Black

Frameset

Frame ConstructionTIG-welded
Frame MaterialZR 9000 aluminum
ForkManitou Sherman Breakout Plus, 170mm
Fork MaterialAluminum, single crown
Rear ShockManitou Swinger 4-Way coil, 170mm

Drivetrain

Component GroupMountain Mix
ShiftersSRAM X-9 Trigger
Front DerailleurShimano Deore XT
Rear DerailleurSRAM X-9
CranksetShimano Saint, 22/32 teeth
Rear Cogs9-speed, 11 - 34 teeth
Chain1/2 x 3/32"
PedalsAluminum platform

Brakes

BrakesHayes HFX-Mag brakes, Hayes HFX-Mag levers

Cockpit & Contact Points

HandlebarBontrager Big Earl
Handlebar ExtensionsNot included
StemBontrager Big Earl
SaddleBontrager Big Earl
SeatpostBontrager Big Earl

Wheels & Tires

HubsBontrager Big Earl
RimsBontrager Big Earl
SpokesStainless steel
Front Tire26 x 2.70" Bontrager Big Earl
Rear Tire26 x 2.50" Bontrager Big Earl
Wheel Size26" wheels

Gearing

Chainring ÷ rear sprocket

Lower ratios provide more mechanical advantage for climbing. Higher ratios turn the rear wheel farther with each crank revolution.

RPM
Theoretical speed from published tire dimensions; see the evidence note below.
Published build32/22T · 11–34T · 9-speed
Lowest0.65:1 Highest2.91:1 Total range450%
Estimated speed Lowest gear4.7 mph Highest gear21.0 mph

Based on published rear tire 26×2.5 (standard MTB rim assumed). Approximate circumference; actual rollout varies with tire and pressure. Theoretical, not a maximum achievable speed.

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Bike-specific inspection checklist 22 checks based on 6 archived component groups Open checklistClose checklist
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This checklist uses the archived equipment for this bike. It cannot confirm the condition, service history or later component changes of the example in front of you.

Archived: 2005 Trek Session 77 · Mountain bike, front & rear suspension · Published sizes: 15.5", 17.5", 19"

Archived: Frame: TIG-welded · Fork: Manitou Sherman Breakout Plus, 170mm · Aluminum, single crown

Archived: Fork: Manitou Sherman Breakout Plus, 170mm · Rear shock: Manitou Swinger 4-Way coil, 170mm

Archived: Group: Mountain Mix · Shifters: SRAM X-9 Trigger · Front derailleur: Shimano Deore XT · Rear derailleur: SRAM X-9 · Crankset: Shimano Saint, 22/32 teeth · Rear cogs: 9-speed, 11 - 34 teeth · Chain: 1/2 x 3/32"

Archived: Brakes: Hayes HFX-Mag brakes, Hayes HFX-Mag levers

Archived: Wheel size: 26" wheels · Rims: Bontrager Big Earl · Hubs: Bontrager Big Earl · Front tire: Front: 26 x 2.70" Bontrager Big Earl, Rear: 26 x 2.50" Bontrager Big Earl

Controls and contact points

Archived: Handlebar: Bontrager Big Earl · Stem: Bontrager Big Earl · Seatpost: Bontrager Big Earl · Saddle: Bontrager Big Earl · Pedals: Aluminum platform

Before and during the test ride

Follow the full used-bike inspection order →

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Specifications are presented as a reference. Components may vary by market, size, production run, or later manufacturer revisions.

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