Diamondback Boys' Cobra 24" Mountain Bike


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Diamondback Boys' Cobra 24" Mountain Bike - Dick's Sporting Goods
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Product Information:

Free In-Store Bike Assembly when purchased online or in-store. Click link below for details.

He's sure to have adventures in the neighborhood or on the trails with the Diamondback® Boys' Cobra 24" Mountain Bike. Made with a 24" Hi-Ten steel MTB frame and 36 spoke 24" aluminum wheels, the Cobra 24 offers strengths and durability. Easy to use twist shifters and a 7 speed free wheel make it the perfect ride for your growing boy.
Click here to learn more about Free In-Store Bike Assembly


  • Best for kids ages 9 to 12
  • Frame Size: 24"
  • Wheel Size: 24"
  • Frame: Steel Jr. 24" Mountain Frame
  • Fork: Trial XC 40mm travel
  • Rear Shock: N/A
  • Headset: Threaded 1"
  • Cranks: MTB Steel arms with chainguard 24/34/42t
  • Bottom Bracket: Looseball BB
  • Front Derailleur: Shimano TZ-20
  • Rear Derailleur: Shimano TZ-40
  • Cog Set: Shimano MF-HG37 7spd Freewheel (14-28t)
  • Shifter: Shimano RS25 Revo Twist
  • Chain: KMC Z51
  • Hub (F): 36 Hole, Nutted
  • Hub (R): 36 Hole, Nutted, 7-spd Freewheel
  • Spokes: 14g
  • Rims: 36h R-1000 Alloy
  • Tires: Jr. ATB Knobby, 24x2.1 with Smooth Center Ridge
  • Brakes: Alloy Linear Pull
  • Brake Levers: Alloy Linear with reach Adjust
  • Pedals: Resin MTB, 9/16"
  • Handlebar: Steel Jr. Riser
  • Grips: DB Kraton
  • Stem: Alloy Quill
  • Seat: JR ATB 2-panel
  • Seat post: Steel Pillar 27.2mm
  • Style: 02-14-5080
  • Diamondback

NOTICE: Used Bikes and/or bikes purchased online that have been assembled are non-returnable.

We strongly recommend that a professional bicycle mechanic properly assembles, repairs, and maintains the bicycle. DICK'S Sporting Goods will provide free in-store assembly service by a certified technician for any bicycle purchased on our website or in our stores (proof of purchase required). If you choose to assemble the bicycle yourself, DICK'S Sporting Goods is not responsible for injuries or damages resulting from improper assembly.
Country of Origin: China
Web ID: 49896856

Customer Reviews:

Rated 4.4 out of 5 by 19 reviewers.
Rated 1 out of 5 by Had to return the bike as defective Purchased bike at Dick's online order delivered to store. Bike came in defective and had to be reordered. Store was very helpful. October 11, 2016
Rated 4 out of 5 by Good bike Got this bike for my sons 9th birthday. He loves it and it seems to be a good and solid bike. Only negative is no room for a water bottle holder. September 28, 2016
Rated 5 out of 5 by Great bike Bought this for my 10 year old. He loves it. Easy ride on the road. Havent taken it on the trail yet so cant comment. Had to buy separate kickstand which the store put together for us. Great experience. Glad we got thia bike! August 18, 2016
Rated 5 out of 5 by Nice Bicycle My son loves his new bike. We had it delivered to house and brought it to Dick's to have it assembled. Good value for price paid. Does have water bottle holder bolts, but most 24" bikes don't. August 2, 2016
Rated 5 out of 5 by Great Bike Bought this for my son. Dick's had him come in to be measured by a bike specialist and they put it together to fit him perfectly. It's a great bike! I love riding it, too. The tires are nice and thick for my son to ride trails with friends. He loves his bike so much! July 8, 2016
Rated 4 out of 5 by Nice bike but with some drawbacks My grandson is very big for his age (8) and is already an experienced bike rider. A 20 inch bike seemed small for him, so we got this one (which he chose). The main problem is that the gear shifter (which is on the handlebar and is operated by twisting) is difficult for him to use. It seems to require a lot of strength to twist it. He is strong and athletic, so I assume it must be a poor design for a young person. Another drawback is that the bike has no place on the frame to attach a water bottle, which is important because he does have the stamina for longer rides. Otherwise it's a nice bike. June 6, 2016
Rated 5 out of 5 by Online Bike Purchase Smooth transaction, ready at the store as promised. Just remember that these do not come with kick stands. But, they are available in the store. Our grandson was very pleased. May 17, 2016
Rated 5 out of 5 by Perfect bike for my 10 year old boy I purchased this bike online for a great sale price and requested shipment to the store. The bike was assembled when I called to request a kick-stand add-on that was completed for a very reasonable price. My son loves this bike, the cool green color and the graphics. We are looking forward to a great summer on trails and beach rides. May 9, 2016
Rated 5 out of 5 by Great Value and Features This is a great bike for the price. we can't afford a "bike store" brand that my son will outgrow in a few years. It's solidly built, uses common components, and the perfect next step from a 20" Magna with one speed. I'm looking forward to teaching my son about the gears and going on family rides (easier with more gears to keep pace and go longer). No kickstand, as others mentioned, but that's common. My Trek didn't come with one either. Purchase was simple. Had a minor issue (stuck in high gear) so brought it back. The service desk said they would have their actual staff bike mechanic look at it. Got it back the next day with problem solved. April 22, 2016
Rated 5 out of 5 by Great Value We just bought the bike yesterday. Our son is 6 and is tall for his age. He cannot stop riding since we brought it home. April 18, 2016
  • 2016-11-01 T01:20:56.315-05:00
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