Name: Ohlins YA638 TTX RT Shock Rear for Yamaha YZF R1
Brand: Ohlins
SKU: YA638
Price: 2062.45 AUD
Availability: PreOrder

The Ohlins YA638 TTX RT rear shock absorber is built for Yamaha YZF R1 applications where consistent damping and clear chassis feedback matter. Based on Ohlins twin-tube TTX architecture, it is designed to maintain stability and traction under demanding riding conditions. This is a gas-pressurised, oil/gas separated rear mono shock intended for precise control rather than comfort-biased compliance.

Ohlins | Made to race, perfected to ride

TTX RT is Ohlins’ track-focused rear shock platform, using a twin-tube damping layout to keep oil flow controlled and repeatable. The result is predictable response across long sessions and varying conditions, helping you keep the bike settled when load transfers quickly.

Shock design & features

Twin-tube TTX damping architecture for stable, consistent behaviour
Gas-pressurised, oil/gas separated design to reduce aeration and maintain damping control
Rear mono configuration to suit the Yamaha YZF R1 linkage and chassis layout

Tuning controls

This shock provides external adjustment for rebound damping and compression damping, allowing you to tune feel and support to match tyres, track grip and rider preference. Independent circuits help changes remain meaningful and repeatable.

Base setup (factory preset)

The YA638 is supplied with an Ohlins-fitted spring and a factory baseline intended to be a workable starting point for most riders. Fine-tuning is typically done after confirming sag and ride height for your load and use.

Before you install

Confirm the application is Yamaha YZF R1 and that your model/year matches this fitment
Set rider sag and check clearance through full suspension travel after installation
Record your starting adjuster positions before making changes, so you can return to baseline if needed

SKU	YA638
Model #	T36PR1C1LS
Brand	Ohlins
Shipping Weight	5.0000kg
Shipping Size	0.300 x 0.300 x 0.500m
Type	Units

See our Shipping Information See our Frequently Asked Questions

If your Motorcycle is listed below, this product will suit:

YAMAHA YZF-R1 2007

Position (Front or Rear)	Rear Mono
Shock Length Eye to Eye (mm)	302.0 +4/-2
Spring Rate Standard	95.0 N/mm
Type Code	T36PR1C1LS
Stroke Metal to Metal (mm)	65.0
Product Family	TTX RT
Fitted Spring	21040-31

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Description

Ohlins | Made to race, perfected to ride

Shock design & features

Tuning controls

Base setup (factory preset)

Before you install

Information

Bike Fitment

Specifics

More From This Category

Subscribe to our Newsletter

Terms & Conditions

Privacy Policy

1. WHAT WE COLLECT

2. WHAT WE DO WITH THE INFORMATION WE GATHER

3. SECURITY

4. HOW WE USE COOKIES

5. CONTROLLING YOUR PERSONAL INFORMATION