Nicky D launching an eMoto high into the sky during testing in Hollister, California.

OFF STREET ONLY begins a new chapter by joining forces with an old friend, RACINGBROS, to bring their proven two-wheeled powered sports products to serious racers and riders in the rapidly growing and exciting eMoto market.

First product for production release is aimed at amplifying the performance of the Surron Ultra Bee. Already capable in their own right, OFF STREET ONLY, in partnership with RACINGBROS, introduce the ultra-high-performance SCOUT43 fork and SHICANE HLR shock.

LEARN MORE ABOUT THE RB + OSO PROJECT

PURCHASE SCOUT 43 FORK

PURCHASE SHICANE HLR SHOCK

OSO Shock Hand Dyno full specification picture

OFF STREET ONLY™ (OSO) started selling Fork and Shock Hand Dynos in 2017, one of the first companies globally to offer the product for direct purchase.

Suspension Techs, Shop Mechanics, and MTB Retailers, if you don’t have a Shock Hand Dyno and you work on or sell suspension components, you need to get one.

Avid Riders, Racers and Techies who love to learn and work on your suspension, you need a Shock Hand Dyno too.

MTB Riders and Racers, if you send your suspension in for service, make sure they have a Shock Hand Dyno.

Learn more about our shock hand dyno

Purchase shock hand dyno

A few happy OSO customers from the past 9 years showing off their OSO Shock and Fork Hand Dynos!

With hundreds of hand dynos sold globally, be sure to check our tags on our Instagram page to see a ton more awesome pics and shop layouts!!

A workbench with a custom motorcycle shock absorber testing fixture, including a steel stand and various metal fittings and stickers from Off Street Only and OSO.

A bike suspension component mounted on a small metal stand with a laptop and tools nearby in a workspace.

A workbench with a bike headset installation press, tools, and small parts in a garage or workshop setting.

A mechanical setup for a bicycle shock absorber on a workbench, featuring a metal frame, a shock absorber labeled 'CLICK,' and various tools and equipment in the background.

Rear shock components for a mountain bike, including a shock absorber, an air canister, and mounting hardware, placed on a countertop.

A bicycle shock testing machine with a metal arm, a computer tablet, and assorted tools in the background at Edgar Bikes.

A fish tank with a tuning shock absorber mounted next to a pint glass filled with iced coffee and ice cubes.

A well-organized workshop workspace with a wooden workbench, pegboard with hanging tools, and a computer monitor. The pegboard holds various hand tools like screwdrivers, wrenches, and pliers. There is a set of blue toolboxes on the left side of the

Close-up of an OSO hand dyno with a vertical metal tube and a clamp, used for holding bicycle parts during repairs.

A collection of components and parts for upgrading a shock dyno, including a mounting bracket, screws, an OSO hand dyno, and mounting plates, organized on a foam surface and a wooden table.

OSO hand dyno with shock pump, tools, and a pegboard with various hand tools hanging on it.

Workstation with an OSO hand dyno on a wooden table, featuring tools, screws, and a blue tray, with a black work bench in the background.

A garage scene featuring a red tool chest, an American flag, various tools, and a mountain bike equipped with an OSO hand dyno.

Close-up of OSO shock hand dyno mounted on a metal frame with a Lakeshore Bike shop in the background.

A metal bike stand with a OSO fork dyno attached, placed on a wooden surface. A bottle of bike chain lube is in the background.