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List price: $781.76  
You save: $81.43 (10%)

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Price in points: 43000 points
Reward points: 215 points
DA Bomb Sonic Boom DJ/Street
Our quantity discounts:
Quantity 2+ 6+ 50+ 100+
Price $665.31 $630.29 $560.26 $490.23
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Sentinel is the first newly hardtail ENDURO frame of Da Bomb. Less shock impacts and lightweight lost makes the riders ride freely on the trail. Square down tube & seat stay provides strength and stability to reduce the impact on the ground. Special ENDURO geometry design, short RC, low BB drop and easy handle HT angle make this frame splendid for riding.


  • Size (C to T) : 27.5x15" / 27.5x17" / 27.5x19"
  • Head Tube Angle: 65.5゜
  • Seat Tube Angle: 73゜
  • Horizotal Top Tube Length: 15"-567mm /17"-585mm /19"-597mm
  • Chain Stay Length: 435mm
  • B.B. Height: 305mm
  • Wheel Base Length: 15"-1119mm / 17"-1145mm / 19"-1170mm
  • Head Set Size: ZS44/ZS56
  • Seat Post:Size: 30.9mm
  • Suggested Fork Travel: 140-160mm

  • Specifications:

  • Model: Sentinel 
  • Material: Alloy 6061 T6
  • Size: 15”, 17”, 19”
  • Tapered head tube: ZS44/ZS56
  • BB: 73mm W/ISCG05 mount
  • Seat post: 30.9mm
  • Post mount Disc. Brake system
  • Color: Cement grey, purple, matte black
  • Inner cable routing system
  • Frame comes with 142x12 thru axle

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We will use either insured airmail, or EMS courier service depending on weight and size limitations and we will provide a tracking number which you can use here to track your shipment: Chunghwa Post Tracking Service

Delivery takes between 5 to 14 days depending on your location. Please contact us if you require a faster service as we can upgrade to fast courier service for an additional fee.

For the items that are in stock, we can ship them to you within 24 hours. If your order for items that are not in stock, we will advise you of when we can deliver, as soon as the manufacturer or a distributor informs us.

Please note that CT Sports International is not responsible for any import duties or additional expenses beyond the shipping costs to your nominated address.


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Reward program

Every time you purchase something at Cycle Taiwan Bike Shop, you will receive reward points that you can use towards your future purchases. The points do not expire, and can be used to top up your cash payment, or to purchase products outright.

For example:

  • You purchase a wheelset for $400. You have already accumulated 1000 reward points from your earlier purchases and choose to use them towards the $400 cost of the new wheelset.
  • You submit 1000 reward points during checkout and instantly get a $20 credit giving yout the final checkout value of $380. An instant saving of $20!

Thus, keep shopping at Cycle Taiwan Bike Shop and gain instant rewards on all your purchases. To check your current points balance, please click here: Reward points records and balance