Inspection
Frame condition
Inspect the frame, fork, welds, and high-stress areas for cracks, dents, or prior repairs.
GT
2018 GT BK Team Signature
Previous used estimate
$141 - $146
Actual value depends on condition, size, and local demand.
Value Guide market data · 2018 GT BK Team Signature
12-month projected trend
8%
Direction and magnitude, not judgment
vs. category average
6%
Drops faster than category avg
Price over time - 2018 GT BK Team Signature
Values based on actual sales data. Enter your bike's specifics to get a precise valuation.
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Overview
About this bike
Brian Kachinsky has an all-out, high-speed technical approach to his riding. GT's BK Team is built for exactly that. Just as "Kachinsky" has become a descriptor for some of the craziest city features in the world, the GT BK Team Signature is designed to give you the confidence you need to learn the foundations to one day conquer a "Kachinsky" and make sure you look good while doing it.
Specifications
- Subtype
- BMX
- Category
- BMX
- Component Fork
- Revamped, 100% Cr-Mo 1pc. threaded steerer, tapered legs, 31mm offset
- Component Hubs
- Front: Alloy body, sealed bearings Rear: Sealed bearing freecoaster
- Component Size
- 21-inch
- Component Stem
- GT BK Elevated 100% CNC topload 1-1/8" steerer clamp, 34mm rise, 48mm length
- Product Family
- BK
- Component Axles
- Front: 17mm female w/ 3/8" bolts Rear: Cr-Mo 14mm x 180mm axle, 17mm nut
- Component Chain
- KMC HL710 Half Link
- Component Color
- Army Green
- Component Frame
- GT FS design, Cr-Mo front triangle, downtube gusset, mid BB, removable rotor tabs, Odyssey Springfield brake-compatible
- Component Brakes
- Aluminum U-brake
- Component Pedals
- GT Low Profile platform, Cr-Mo axle
- Component Saddle
- GT BK Signature Pivotal
- Component Headset
- 1-1/8" Integrated design, 45x45 degree sealed bearings
- Component Crankset
- GT Power Series tubular Cr-Mo 2pc, 170mm arms, Cr-Mo 19mm x 48-spline
- Component Handlebar
- GT Freestyle 4pc. 100% Cr-Mo, 9"H x 29"W, 5°Up, 9° Back
- Component Seat Post
- Alloy Pivotal 25.4 x 200mm
- Component Chainrings
- 25T GT 5mm aluminum
- Component Front Tire
- GT Pool 20 x 2.30
- Component Tape Grips
- GT Super Soft 155mm single compound w/o flange w/ GT removable plug
- Component Brake Levers
- Hinged Alloy
- Component Bottom Bracket
- MID sealed bearing
- Hubs
- Front: Alloy body, sealed bearings Rear: Sealed bearing freecoaster
- Crankset
- GT Power Series tubular Cr-Mo 2pc, 170mm arms, Cr-Mo 19mm x 48-spline
- Pedals
- GT Low Profile platform, Cr-Mo axle
- Bottom Bracket
- MID sealed bearing
- Chain
- KMC HL710 Half Link
- Saddle
- GT BK Signature Pivotal
- Handlebar
- GT Freestyle 4pc. 100% Cr-Mo, 9"H x 29"W, 5°Up, 9° Back
- Headset
- 1-1/8" Integrated design, 45x45 degree sealed bearings
- Stem
- GT BK Elevated 100% CNC topload 1-1/8" steerer clamp, 34mm rise, 48mm length
- Axles
- Front: 17mm female w/ 3/8" bolts Rear: Cr-Mo 14mm x 180mm axle, 17mm nut
- Brake Levers
- Hinged Alloy
- Brakes
- Aluminum U-brake
- Chainrings
- 25T GT 5mm aluminum
- Fork
- Revamped, 100% Cr-Mo 1pc. threaded steerer, tapered legs, 31mm offset
- Frame
- GT FS design, Cr-Mo front triangle, downtube gusset, mid BB, removable rotor tabs, Odyssey Springfield brake-compatible
- Seat Post
- Alloy Pivotal 25.4 x 200mm
- Tape/Grips
- GT Super Soft 155mm single compound w/o flange w/ GT removable plug
- Color
- Army Green
- Size
- 21-inch
- Front Tire
- GT Pool 20 x 2.30
What to check when buying used
Inspection
Drivetrain wear
Check chain stretch, cassette teeth, chainrings, and shifting under load before negotiating price.
Inspection
Service history
Ask for service records covering bearings, brakes, drivetrain, and any frame or fork warranty work.