Bicycle Archive · Specification report

2011 Diamondback Session

Velopedia Archive ID 23538

Overview

Model year	2011
Brand	Diamondback
Model	Session
Bicycle type	BMX
Archive ID	23538
Colors	Tan/dark brown

Frameset

Frame construction	Steel
Frame material	Hi Ten
Fork	Hi Ten
Fork material	Steel
Rear shock	N/A

Drivetrain

Component group	BMX Mix
Crankset	Chromoly one-piece
Bottom bracket	Loose ball
Rear cogs	1-speed, 10 teeth
Chain	KMC Z410, 1/2 x 1/8"
Pedals	DB Sound Plastic w/ Chromo Axels

Cockpit & contact points

Headset	1 1/8" FSA Threadless
Handlebar	Hi-Ten 2-piece
Handlebar extensions	Not included
Stem	Alloy 4-bolt
Saddle	DB Darin Read Signature Plastic Seat
Seatpost	Steel pillar, 25.4mm diameter

Wheels & tires

Hubs	Front: Steel shell w/ 3/8" axle, Rear: cassette
Rims	36-hole/48-hole
Spokes	14ga. (2.0mm)
Front tire	Front: 20 x 1.85" DB 304, Rear: 20 x 2.25" DB Cellblock
Wheel size	20" wheels

Manufacturer-published archive data. Confirm exact standards and dimensions before ordering parts or performing service. Generated by Velopedia on September 28, 2026.