Inspection
Frame condition
Inspect the frame, fork, welds, and high-stress areas for cracks, dents, or prior repairs.
GT
2018 GT BK Team
Value Guide market data · 2018 GT BK Team
12-month trend
1%
Direction and magnitude, not judgment
vs. category average
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Price over time - 2018 GT BK Team
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All BK model years
2018 BK Team lineup
Overview
About this bike
2018 GT BK Team value depends on condition, original build, frame material, service history, and current buyer demand.
Specifications
Frameset
- Fork
- GT FS design, Cr-Mo 2pc. threaded steerer, 31.8- 28.6mm tapered O.D. blades, 31mm offset
- Frame
- GT FS design, Cr-Mo front triangle, downtube gusset, mid BB, removable rotor tabs, Odyssey Springfield brake-compatible
Drivetrain
- Groupset
- 2018 GT BK Team
- Crankset
- GT Power Series tubular Cr-Mo 3pc, 170mm arms, cold forged Cr-Mo 19mm x 8-spline
- Bottom Bracket
- MID sealed bearing
- Chain
- KMC Z410
- Chainrings
- 25T GT Steel
- Freewheel
- 9T cassette driver
Brakes
- Brake Levers
- Alloy
- Brakes
- Rear: Aluminum U-brake w/ soft compound pad
Cockpit
- Saddle
- GT BK Signature Pivotal
- Headset
- 1-1/8" Integrated design, 45x45 degree sealed bearings
- Stem
- GT Top Load, 1-1/8", cold forged cap, 32mm rise, 50mm length
- Handlebars
- GT Freestyle 4pc, steel, 9"H x 29"W, 5° Up, 9° Back
- Seat Post
- Alloy Pivotal 25.4 x 200mm
- Tape/Grips
- GT Super Soft 155mm single compound w/o flange w/ GT removable plug
Wheels & Tires
- Hubs
- Front: Alloy body, sealed bearings<br>Rear: alloy body, 5pc sealed bearings
- Tires
- GT Pool 20 x 2.30
- Axles
- Front: Male 3/8" w/15mm nuts<br> Rear: Male Cr-Mo 14mm x 180mm axle, 17mm nut
Pedals
- Pedals
- GT Low Profile FS platform design, PP material, Boron axle
Accessories
- Rims/Wheels
- Front: Alloy single wall, 36h<br>Rear: Double wall, 36h
Frame sizing
XS4'10"-5'2"
S5'2"-5'6"
M5'6"-5'10"
L5'10"-6'2"
XL6'2"-6'6"
M highlighted as most common resale size. Sourced from catalog metadata.
Geometry
- Stack
- Varies by size
- Reach
- Varies by size
- Wheelbase
- Varies by size
Industry standard. Sourced from catalog metadata.
What to check when buying used
Inspection
Drivetrain wear
Check chain stretch, cassette teeth, chainrings, and shifting under load before negotiating price.
Inspection
Wheel condition
Inspect rims, hubs, spokes, and bearing play; ask about the tire age and any prior wheel rebuilds.
Inspection
Service history
Ask for service records covering bearings, brakes, drivetrain, and any frame or fork warranty work.