R-SPEC Trail Enduro Cranks 29mm Dub Boost

Introducing the 5DEV R-SPEC line. Designed to exceed the standard.

Podiums:2025 Red Bull Hardline 2nd / 2024 Jr World Championship 1st / 2024 US DH National Championships 1st / 2024 US DS National Championship 2nd / 2024 UCI World CupBielsko – Biaa,Poland JR DHI 1st /2024 UCI World Cup Ft William JR DHI 1st / 2023 US Enduro National Championships 1st / 2023 US Open DH 2nd / 2023 Crankworx DH Rotorua 2nd

Q factor:167mm Boost | 176 SuperBoost+

Chainline:Our Standard Boost Spindle works with 52 and 55mm Chainlines. New DUB Wide Spindle Available.

Bottom Bracket Width:68 – 73mm for Boost | SuperBoost Available in Select Sizes

Spindle diameters:30mm and 29mm

All of our cranks are compatible with any of our spindles. You can swap spindles out at no cost by emailing [email protected] after you place your order.

If you have questions on what spindle you need please email us at [email protected]

Lengths:135mm, 145mm,155mm, 160mm,165mm, 170mm

Material:7050 Billet Aluminum

Crank bolts:Chromoly Steel

Hardware:Self-extracting Hardware

Preloader:CNC’d7075 Alloy

Chainring:Compatible with SRAM 3-Bolt Direct Mount Chainring Interface

Weight:610g (165mm length 29mm spindle)

Warranty:5 Year Warranty

Includes Chainring Mounting Hardware

Made in San Diego, California

Patent Pending