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Diamondback Session Pro 20 BMX Bike '12

Item #: BI256N00
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The Session Pro 20 is street slayer and comes stacked with a full chromoly frame with Mid BB, an integrated head tube, and a chromoly steerer fork. A tubular chromoly three piece crank set adds additional stiffness to this beast and Alienation PBR 20" rims, tektro brakes and a cassette rear hub with 10t driver round out the Pro 18 to create a powerhouse rig.

Frame     Full chromoly,Integrated HT & Mid BB
Fork     Full chromoly w/ 1 1/4" OD legs, 1 1/8" threadless steerer, 6mm dropouts
Headset     FSA Impact 1 1/8" Integrated
Handlebar     Full chromoly 2-piece 25.5" wide x 7.75" rise
Grips     DB Naga Grip w/ Nylon End Plug
Stem     4 bolt alloy front load
Brakes     Tektro 907 U-brake w/ soft compound pads
Brake Levers     Tektro 2 finger
Cranks     175mm tubular chromoly 3-piece w/ 8-spline BB axle
Sprocket     28t steel
BB     Loose ball w/ 8-spline 19mm axle
Pedals     DB Sound Pedal Plastic w/ Chromo Axles
Rims     36h Alienation Black Sheep
Hubs     (F) 36h aluminum shell w/ 3/8" axle (R) 36h Alloy Cassette, 14mm axle,1-piece Driver,loose ball
Chain     KMC Kool Chain 1/2 x 1/8
Freewheel     10t cassette
Tires     DB 304 20x1.85 front / Cellblock 20x2.25 rear
Spokes     Black 14g
Seat     DB Darin Read Signature Padded Seat
Seatpost     25.4mm steel micro adjust
No Detangler

Head Tube
Seat Tube
Top Tube
74 deg
70 deg


Jenson USA is an authorized Diamondback retailer and this product is covered by Diamondback's warranty against defects in materials or workmanship. The warranty term varies by model. To see the full, printable warranty statement, please click here.

In the event of a warranty claim, the retailer (Jenson USA) will be your primary point of contact and will facilitate the claim on your behalf. Call us at (888) 880-3811 x149 or click "Email Us" from our Help Desk page and select "Warranty Claim" as the reason for the inquiry.


by PowerReviews
Diamondback Session Pro 20 BMX Bike '12

(based on 1 review)

Ratings Distribution

  • 5 Stars



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  • 1 Stars



Reviewed by 1 customer

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good bike but broke on a 10 foot ramp

By bmxbikerider

from wa

About Me Casual/ Recreational


  • Easy to Grow Into
  • Smooth Ride


  • Wears Quickly

Best Uses

  • Light Trails

Comments about Diamondback Session Pro 20 BMX Bike '12:

the thing that ant so good about this bike is that it brakes esaly

  • Was this a gift?:
  • No

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Get free shipping with your $50 purchase today when you choose Standard Shipping at checkout. Please note this offer is only available to physical shipping addresses in the 48 continental United States (no PO Boxes), and oversize charges still apply on some heavy/large items

Free Shipping Offer

Get free Standard Shipping with your $50 purchase today! Just choose Standard Shipping during checkout.

Please note this offer is only available to physical shipping addresses in the 48 continental United States (no PO Boxes), and oversize charges still apply on some heavy/large items.