Diamondback Release Cockpit Dimensions: Bar Bore Is Not Seatpost Diameter
Diamondback Release cockpit dimensions include several numbers that describe different objects. In the saved Release 29 3 list, the bar has a 35 mm bore, the stem has 35 mm reach, and the dropper post has a 31.6 mm diameter. Keeping the labels is essential when those figures enter a fitting conversation.

Diamondback Release cockpit dimensions at the handlebar
The DB35 aluminum handlebar is listed as 780 mm wide with 15 mm rise and a 35 mm bar bore. Width, rise and bore are separate descriptions. A note that retains only “35 mm” leaves the reader unable to tell whether it concerns a connection or the stem's published reach.
The DB35 aluminum stem lists both 35 mm reach and 35 mm bar bore. Their numerical agreement is incidental to this description: the field names still matter. Copy each number beside its own label instead of treating the repeated figure as one universal cockpit size.
The post and contact points belong on separate lines
Diamondback names a KS LEV Integra internal dropper, 31.6 mm, with a Southpaw remote. That diameter is not the handlebar bore. Nor does it state how much dropper travel a different post may have or how far it can be inserted into a particular frame.
The grips entry is Ergon GE10 Evo Lock-On and the saddle is WTB Volt Race. These complete the published contact-point description without establishing that the arrangement will suit every rider. A familiar saddle or grip name cannot demonstrate a comfortable position for someone who has not tried the bicycle.
Prepare a fitting enquiry with labelled information
The local Diamondback Release 29 3 Bike is the relevant model reference. When describing a concern, distinguish hand position, access to the remote and saddle position. Bring the confirmed frame configuration and current component identities, including any known changes.
The original bar width cannot prove that a used bar remains uncut. Equally, the post's nominal diameter does not supply a replacement travel recommendation. This guide gives no cutting instruction, installation torque or individual fit prescription.
These are saved published specifications, subject to change. They do not identify the manufacturing year or current configuration of every Release bicycle. The historical drivetrain photograph does not show the specified cockpit or verify its dimensions.
The Diamondback collection topic provides the model context; the brand overview explains how the family sits within the range.
FAQ
Is thirty-five millimeters the handlebar width?
No. The saved width is 780 mm; 35 mm is the bar-bore figure and also the separately labelled stem reach.
What does 31.6 mm identify?
It is the diameter listed for the KS LEV Integra dropper post.
Does the source give a replacement dropper travel?
No. The listed diameter and remote do not establish an alternative post's travel or insertion allowance.
Sources
Manufacturer source: Release handlebar, stem, dropper, grip and saddle entries (https://www.diamondback.com/products/release-29-3).
Photograph credits and permissions
Photograph 1
Original title: Diamondback drivetrain.jpg
Creator: Brett.deaton; creator URI supplied by the source: https://commons.wikimedia.org/wiki/User:Brett.deaton
Copyright notice: Embedded sRGB color-profile notice: Copyright (c) 1998 Hewlett-Packard Company. Photograph author: Brett.deaton.
Original source URI: https://commons.wikimedia.org/wiki/File:Diamondback_drivetrain.jpg
License / permission: CC BY-SA 4.0
License / permission URI: https://creativecommons.org/licenses/by-sa/4.0/
Modification notice: Source-hosted JPEG retained unchanged, including original EXIF, XMP and the sRGB IEC61966-2.1 ICC profile. No crop, recompression or color edits by this preparer. EXIF and XMP give 6 May 2014, 18:11:13; the Commons transfer date in 2020 is not a manufacturing date. Earlier editing operations are unassessed.
Source disclaimer: Historical detail of a Diamondback full-suspension bicycle drivetrain, as described by its source; exact model and manufacturing year are unverified. Not a current Release 29 3, its parts or a service-condition example. No endorsement or warranties are implied; other rights may apply. Share adaptations under the applicable ShareAlike terms.