Skip to main content
G'day !G'day! Sign in or registereBay PluseBay DealsFind a StoreHelp
Sell
Watch List
My eBay
  • My eBay Summary
  • Recently Viewed
  • Bids/Offers
  • Watch List
  • Purchase History
  • Selling/Sold
  • Saved Feed
  • Saved Searches
  • Saved Sellers
  • My Garage
  • Sizes
  • My Messages
  • Get Exclusive Savings
Please sign in to view notifications.
Loading...
eBay Home
Advanced
Copyright © 1995-2025 eBay Inc. All Rights Reserved. User Agreement, Privacy, Payments Terms of Use, Cookies and AdChoice

ByK Bikes

Bike Type
  • Kids Bike
  • Mountain Bike
  • Balance Bike

You may also like

  • Giant Bikes
    Giant Bikes
  • Unbranded Bikes
    Unbranded Bikes
  • Trek Bikes
    Trek Bikes
  • Specialized Bikes
    Specialized Bikes
  • Mongoose Bikes
    Mongoose Bikes

Best selling

See all
  • BYK E-450x8 MTB (Mountain Bike) - Matte Black

    BYK E-450x8 MTB (Mountain Bike) - Matte Black

  • ByK E-350x3i 3 Speed Girls Kids Bike Midnight Purple

    ByK E-350x3i 3 Speed Girls Kids Bike Midnight Purple

  • Byk E-540x9 Boys 9 Speed Bike Black Midnight/Neon Yellow

    Byk E-540x9 Boys 9 Speed Bike Black Midnight/Neon Yellow

  • ByK E-450 Boys Disc Brake 22"Mountain Bike Matte Black

    ByK E-450 Boys Disc Brake 22"Mountain Bike Matte Black

  • ByK E-350 Unisex Tangerine

    ByK E-350 Unisex Tangerine

Related Searches

  • BYK 450
  • Kink Bmx
  • Trek Bmx
  • Yakima Bike
  • Esky Bike
  • Dk Bmx
  • Trek Bikes
  • Brakes Bike
  • Yak Bak
  • Bmx Dk
  • Trek Hybrid Bike
  • Trek Bike

breadcrumb

  • eBay
    • Sporting Goods
    • Cycling
  • Sporting Goods
  • Cycling
  • Bicycles
  • ByK Bikes

Shop by category

  • Cycling
    • Bicycles
    • Bicycle Accessories
    • Bicycle Components & Parts
    • Bicycle Electronics
    • Bicycle Frames
    • Bicycle Maintenance & Tools
    • Bicycle Tyres, Tubes & Wheels
    • Car & Truck Racks
    • Cycling Clothing
    • Cycling Memorabilia
    • Cycling Shoes & Shoe Covers
    • Electric Bicycles
    • Helmets & Protective Gear
    • Other
    • Sunglasses, Goggles
    • Vintage Cycling
    • BYK E-450 20-Inch Polished Alloy Single Speed Kids/Boys Bike Bicycle for 5-8 Yea - image 1 of 2
    • BYK E-450 20-Inch Polished Alloy Single Speed Kids/Boys Bike Bicycle for 5-8 Yea - image 2 of 2

    BYK E-450 20-Inch Polished Alloy Single Speed Kids/Boys Bike Bicycle for 5-8 Yea

    Brand new · ByK
    AU $449.99
    AU $100.00 postage
    ⁣H⁣6⁣⁣⁣ ⁣0⁣⁣⁣2⁣ ⁣7⁣T⁣⁣⁣ ⁣⁣⁣O⁣⁣⁣D⁣⁣⁣ ⁣6⁣⁣O⁣
    • BYK E-450 20-Inch Polished Alloy Single Speed Kids Bike Bicycle for 5-8 Year - image 1 of 4
    • BYK E-450 20-Inch Polished Alloy Single Speed Kids Bike Bicycle for 5-8 Year - image 2 of 4
    • BYK E-450 20-Inch Polished Alloy Single Speed Kids Bike Bicycle for 5-8 Year - image 3 of 4
    • BYK E-450 20-Inch Polished Alloy Single Speed Kids Bike Bicycle for 5-8 Year - image 4 of 4

    BYK E-450 20-Inch Polished Alloy Single Speed Kids Bike Bicycle for 5-8 Year

    Pre-owned · ByK
    AU $110.00
    Local pickup
    O⁣E⁣ ⁣P⁣3⁣S⁣p⁣o⁣n⁣s⁣o⁣r⁣е⁣ ⁣d⁣1⁣J⁣ ⁣⁣H⁣C⁣ ⁣2⁣S⁣⁣ ⁣⁣⁣
  • ByK E-350 Boys Bright Blue 18" Kid's Bicycle- Age 4-7 ONLY 17 LBS - image 1 of 1

    ByK E-350 Boys Bright Blue 18" Kid's Bicycle- Age 4-7 ONLY 17 LBS

    Brand new · ByK
    AU $486.68
    AU $325.86 postage
    H⁣Ѕ⁣p⁣o⁣R⁣n⁣s⁣ ⁣o⁣r⁣e⁣d⁣Z⁣⁣G⁣⁣ ⁣5⁣5⁣ ⁣⁣⁣3⁣6⁣ ⁣A⁣⁣⁣
  • ByK E-350 Boys Neon Yellow - 18" Kid's Bicycle - Age 5-7, ONLY 17 LBS - image 1 of 1

    ByK E-350 Boys Neon Yellow - 18" Kid's Bicycle - Age 5-7, ONLY 17 LBS

    Brand new · ByK
    AU $486.68
    AU $325.86 postage
    S⁣p⁣о⁣A⁣n⁣X⁣s⁣o⁣r⁣ ⁣e⁣U⁣8⁣ ⁣O⁣d⁣I⁣⁣⁣⁣⁣ ⁣P⁣⁣B⁣⁣ ⁣⁣
  • Byk-Rak SMALL/MEDIUM BIKE Bracket ATF 12-20 - image 1 of 2

    Byk-Rak SMALL/MEDIUM BIKE Bracket ATF 12-20

    Brand new · ByK
    AU $168.38
    or Best Offer
    AU $30.85 postage
    ⁣8⁣C⁣⁣⁣⁣⁣ ⁣⁣D⁣⁣V⁣⁣ ⁣D⁣⁣8⁣⁣⁣ ⁣Z⁣⁣2⁣ ⁣8⁣8⁣⁣⁣
  • ByK E-200L 12" Balance Bike for age 2-4 Inflated Rubber Tires Hand Brake - image 1 of 4

    ByK E-200L 12" Balance Bike for age 2-4 Inflated Rubber Tires Hand Brake

    Brand new · ByK
    AU $159.98
    AU $184.15 postage
    J⁣O⁣ ⁣⁣Y⁣E⁣ ⁣S⁣N⁣⁣ ⁣2⁣⁣⁣⁣⁣⁣K⁣ ⁣⁣Y⁣⁣3⁣⁣⁣ ⁣⁣S⁣
  • ByK E-350 Boys Midnight Black - 18" Kid's Bicycle - Age 5-7 ONLY 17 LBS - image 1 of 1

    ByK E-350 Boys Midnight Black - 18" Kid's Bicycle - Age 5-7 ONLY 17 LBS

    Brand new · ByK
    AU $486.68
    AU $325.86 postage
    J⁣8⁣⁣ ⁣⁣1⁣⁣⁣⁣⁣Z⁣ ⁣Z⁣2⁣ ⁣⁣6⁣H⁣ ⁣3⁣I⁣⁣ ⁣⁣9⁣⁣⁣⁣
  • ByK E-350 Girls Pretty Pink - 18" Kid's Bicycle - Age 5-7, ONLY 17 LBS - image 1 of 1

    ByK E-350 Girls Pretty Pink - 18" Kid's Bicycle - Age 5-7, ONLY 17 LBS

    Brand new · ByK
    AU $243.34 to AU $486.68
    AU $325.86 postage
    ⁣⁣⁣⁣⁣⁣⁣Y⁣F⁣ ⁣⁣⁣⁣⁣⁣9⁣⁣⁣J⁣⁣ ⁣⁣⁣F⁣⁣⁣⁣⁣
  • ByK E-350 Boys Bright Red 18" Kid's Bicycle- Age 4-7 ONLY 17 LBS - image 1 of 1

    ByK E-350 Boys Bright Red 18" Kid's Bicycle- Age 4-7 ONLY 17 LBS

    Brand new · ByK
    AU $243.34 to AU $486.68
    AU $325.86 postage
    ⁣⁣S⁣⁣⁣M⁣ ⁣T⁣⁣I⁣⁣⁣ ⁣⁣⁣⁣C⁣⁣0⁣⁣ ⁣V⁣P⁣ ⁣4⁣4⁣⁣⁣
  • ByK E-350 Girls Charcoal Pink - 18" Kid's Bicycle - Age 5-7, ONLY 17 LBS - image 1 of 1

    ByK E-350 Girls Charcoal Pink - 18" Kid's Bicycle - Age 5-7, ONLY 17 LBS

    Brand new · ByK
    AU $486.68
    AU $325.86 postage
    R⁣9⁣⁣⁣⁣ ⁣⁣⁣Q⁣3⁣ ⁣Q⁣V⁣ ⁣P⁣⁣0⁣⁣⁣⁣ ⁣⁣Q⁣4⁣ ⁣⁣⁣⁣
  • ByK E-350 Girls Deep Violet - 18" Kid's Bicycle - Age 5-7, ONLY 17 LBS - image 1 of 1

    ByK E-350 Girls Deep Violet - 18" Kid's Bicycle - Age 5-7, ONLY 17 LBS

    Brand new · ByK
    AU $486.68
    AU $325.86 postage
    ⁣F⁣6⁣⁣⁣ ⁣⁣⁣⁣1⁣⁣⁣⁣N⁣⁣ ⁣N⁣⁣D⁣⁣ ⁣V⁣⁣⁣⁣⁣⁣B⁣
  • BYK E-350x3iGPN - Purple Night - image 1 of 2

    BYK E-350x3iGPN - Purple Night

    Brand new · ByK
    AU $527.00
    AU $70.00 postage
    ⁣⁣X⁣G⁣⁣⁣⁣ ⁣6⁣⁣F⁣ ⁣⁣⁣2⁣⁣Q⁣⁣⁣ ⁣⁣V⁣⁣P⁣⁣ ⁣Q⁣5⁣
  • BYK E-250 MTBx1 (Mountain Bike) - Matte Black - image 1 of 2

    BYK E-250 MTBx1 (Mountain Bike) - Matte Black

    Brand new · ByK
    AU $331.00
    AU $70.00 postage
    ⁣⁣⁣⁣X⁣G⁣ ⁣⁣V⁣⁣F⁣ ⁣⁣Z⁣⁣⁣⁣⁣⁣⁣2⁣⁣ ⁣⁣N⁣Q⁣⁣ ⁣
  • ByK E-350 18" Kid's Bicycle Age 5-7 ONLY 17 LBS - image 1 of 4

    ByK E-350 18" Kid's Bicycle Age 5-7 ONLY 17 LBS

    Brand new · ByK
    AU $486.68
    AU $325.86 postage
    2⁣3⁣ ⁣5⁣G⁣ ⁣P⁣W⁣ ⁣Ѕ⁣G⁣p⁣J⁣ ⁣K⁣o⁣T⁣n⁣s⁣ ⁣S⁣o⁣r⁣⁣ ⁣⁣e⁣d⁣
  • BYK E-350 - Tangerine (Unisex) - image 1 of 2

    BYK E-350 - Tangerine (Unisex)

    Brand new · ByK
    AU $455.00
    AU $70.00 postage
    A⁣⁣⁣C⁣ ⁣S⁣⁣⁣E⁣⁣⁣ ⁣⁣C⁣N⁣ ⁣N⁣1⁣ ⁣⁣⁣⁣⁣Q⁣⁣⁣B⁣ ⁣
  • BYK E-450x3i - Dark Blue - image 1 of 2

    New listingBYK E-450x3i - Dark Blue

    Brand new · ByK
    AU $636.00
    AU $70.00 postage
    P⁣⁣J⁣⁣⁣⁣ ⁣5⁣⁣⁣⁣⁣⁣⁣⁣L⁣⁣ ⁣⁣E⁣M⁣⁣⁣ ⁣⁣H⁣⁣⁣
  • BYK E-450x8 MTB (Mountain Bike) - Matte Black - image 1 of 2

    BYK E-450x8 MTB (Mountain Bike) - Matte Black

    Brand new · ByK
    AU $545.00
    AU $70.00 postage
    0⁣F⁣ ⁣⁣⁣⁣⁣⁣9⁣⁣⁣C⁣⁣ ⁣J⁣H⁣⁣⁣ ⁣L⁣7⁣⁣⁣ ⁣Y⁣N⁣⁣ ⁣
  • BYK E-350 - Neon Yellow/Black - image 1 of 1

    BYK E-350 - Neon Yellow/Black

    Brand new · ByK
    AU $455.00
    AU $70.00 postage
    W⁣M⁣ ⁣⁣⁣⁣⁣G⁣⁣⁣W⁣ ⁣G⁣6⁣⁣ ⁣T⁣4⁣ ⁣N⁣6⁣⁣⁣ ⁣⁣⁣⁣ ⁣
  • BYK E-350 - Bright Blue - image 1 of 2

    BYK E-350 - Bright Blue

    Brand new · ByK
    (3)
    AU $455.00
    AU $70.00 postage
    ⁣⁣9⁣⁣S⁣⁣ ⁣⁣D⁣0⁣ ⁣S⁣⁣⁣9⁣ ⁣⁣⁣O⁣C⁣⁣⁣ ⁣⁣⁣1⁣⁣V⁣
  • BYK E-450x8 MTBD (Mountain Bike - Disc Brake) - Matte Black - image 1 of 2

    BYK E-450x8 MTBD (Mountain Bike - Disc Brake) - Matte Black

    Brand new · ByK
    AU $652.00
    AU $70.00 postage
    S⁣2⁣⁣ ⁣⁣E⁣E⁣ ⁣⁣⁣2⁣K⁣ ⁣J⁣K⁣⁣ ⁣⁣⁣6⁣⁣7⁣ ⁣⁣H⁣⁣⁣⁣
  • BYK E-350 MTBGx1 - Sage Green/Black - image 1 of 2

    BYK E-350 MTBGx1 - Sage Green/Black

    Brand new · ByK
    AU $372.00
    AU $70.00 postage
    ⁣5⁣⁣⁣T⁣⁣⁣⁣⁣ ⁣⁣⁣Y⁣W⁣⁣⁣ ⁣⁣⁣⁣6⁣4⁣ ⁣K⁣M⁣ ⁣⁣P⁣
  • BYK E-540x3i - Matte Black/White - image 1 of 2

    BYK E-540x3i - Matte Black/White

    Brand new · ByK
    AU $727.00
    AU $70.00 postage
    ⁣⁣3⁣W⁣ ⁣3⁣⁣K⁣ ⁣⁣⁣⁣⁣N⁣⁣7⁣ ⁣⁣E⁣I⁣ ⁣7⁣Y⁣⁣⁣⁣ ⁣⁣
  • BYK E-540x9 - Black/Neon Yellow (V-Brakes) - image 1 of 2

    BYK E-540x9 - Black/Neon Yellow (V-Brakes)

    Brand new · ByK
    AU $727.00
    AU $70.00 postage
    ⁣E⁣⁣8⁣⁣⁣ ⁣A⁣⁣P⁣ ⁣E⁣S⁣ ⁣Z⁣J⁣ ⁣⁣H⁣B⁣⁣ ⁣⁣⁣ ⁣⁣⁣⁣
  • BYK E-450 - Vivid Blue - image 1 of 2

    BYK E-450 - Vivid Blue

    Brand new · ByK
    AU $527.00
    AU $70.00 postage
    ⁣V⁣L⁣ ⁣⁣⁣L⁣⁣⁣7⁣ ⁣L⁣⁣0⁣⁣⁣ ⁣H⁣U⁣ ⁣⁣N⁣⁣5⁣ ⁣⁣⁣ ⁣
  • BYK -620 Mountain Bike - image 1 of 4

    BYK -620 Mountain Bike

    Pre-owned · ByK
    AU $50.00
    Local pickup
    Y⁣⁣⁣4⁣ ⁣⁣⁣⁣⁣O⁣⁣R⁣⁣⁣⁣ ⁣⁣9⁣⁣6⁣ ⁣⁣9⁣⁣E⁣ ⁣⁣⁣
  • BYK Kids Bike E-350 MTBGx1 Blue/white - image 1 of 4

    BYK Kids Bike E-350 MTBGx1 Blue/white

    Pre-owned · ByK
    AU $190.00
    Local pickup
    I⁣⁣⁣6⁣ ⁣⁣6⁣⁣⁣⁣⁣M⁣ ⁣⁣⁣⁣P⁣⁣⁣⁣⁣⁣⁣⁣⁣1⁣⁣⁣
  • BYK E540 x3i kids bike Watermelon - image 1 of 4

    BYK E540 x3i kids bike Watermelon

    Pre-owned · ByK
    AU $399.00
    Local pickup
    ⁣E⁣⁣H⁣ ⁣⁣Y⁣O⁣⁣ ⁣⁣⁣Q⁣⁣N⁣ ⁣Z⁣⁣⁣2⁣ ⁣0⁣7⁣⁣ ⁣9⁣⁣⁣
  • byk e450 - image 1 of 4

    byk e450

    Pre-owned · ByK
    AU $120.00
    or Best Offer
    Local pickup
    ⁣7⁣Z⁣⁣⁣⁣ ⁣P⁣⁣D⁣ ⁣1⁣6⁣ ⁣⁣⁣N⁣7⁣⁣ ⁣⁣⁣R⁣L⁣⁣ ⁣P⁣⁣
  • Kids Byk e450 - image 1 of 4

    Kids Byk e450

    Pre-owned · ByK
    AU $60.00
    or Best Offer
    Local pickup
    H⁣P⁣ ⁣H⁣X⁣ ⁣A⁣⁣⁣⁣8⁣ ⁣9⁣⁣S⁣⁣ ⁣⁣M⁣I⁣ ⁣⁣B⁣⁣⁣⁣⁣⁣
  • BYK E-450x8 MTB (Mountain Bike) - Matte Black - image 1 of 3

    BYK E-450x8 MTB (Mountain Bike) - Matte Black

    Pre-owned · ByK
    AU $100.00
    or Best Offer
    Local pickup
    12 watching
    1⁣R⁣ ⁣H⁣⁣⁣⁣⁣⁣5⁣⁣ ⁣4⁣2⁣⁣ ⁣⁣9⁣O⁣ ⁣4⁣L⁣⁣⁣⁣ ⁣⁣⁣
  • BY K 450 kids bike matte black front and rear brakes - image 1 of 4

    BY K 450 kids bike matte black front and rear brakes

    Pre-owned · ByK
    AU $150.00
    or Best Offer
    Local pickup
    ⁣⁣2⁣⁣⁣J⁣ ⁣V⁣F⁣ ⁣⁣⁣X⁣⁣⁣⁣⁣5⁣⁣ ⁣A⁣U⁣ ⁣⁣7⁣⁣⁣⁣
  • All listings
  • Auction
  • Buy It Now
  • Best Offer
  • Best Match
  • Time: ending soonest
  • Time: newly listed
  • Price + postage: lowest first
  • Price + postage: highest first
  • Distance: nearest first
  • List view
  • Gallery view

31 results

Sort: Best Match

  • Best Match
  • Time: ending soonest
  • Time: newly listed
  • Price + postage: lowest first
  • Price + postage: highest first
  • Distance: nearest first
  • Brand: ByK- Selected