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Description
Hope Tech 4 E4 Disc Brake, Right/Rear - 74mm, BlueThe Tech 4 uses all new internal sealing for reduced friction and the pivot spins on roller bearings, allowing the spring rate to be reduced. The lower spring rate in turn gives a lighter lever action, reducing rider fatigue and keeping our legendary feel and modulation The updated E4 caliper utilises hybrid style stainless steel pistons with a phenolic insert allowing for smoother movement and less maintenance, while still able to manage high
- The Tech 4 uses all new internal sealing for reduced friction and the pivot spins on roller bearings, allowing the spring rate to be reduced. The lower spring rate in turn gives a lighter lever action, reducing rider fatigue and keeping our legendary feel and modulation- The updated E4 caliper utilises hybrid style stainless steel pistons with a phenolic insert allowing for smoother movement and less maintenance, while still able to manage high temperatures without heat transfer during extreme use
- Lever shape updated to provide a more ergonomic shape orientated to provide the best mechanical advantage during braking
- Master cylinder includes reach and bite point control adjustability (BPC) and the piston is actuated by a cam and roller system to eliminate free play and friction
- Split clamp is designed to reduce clutter and create more space for handlebar mounted devices (directly compatible with Compatible with Shimano I-Spec shifters)
- One piece 4-piston caliper is CNC machined from a solid billet of 2014 T6 aircraft spec aluminum alloy and uses identical 16mm phenolic pistons which gives more usable power to the brake while keeping the legendary feel
- Includes: lever assembly, pre-bled (black) hose with stainless fittings, (74mm) caliper
- Black plastic hose comes standard. Use HT-1050 for upgrade to braided stainless steel hose
- Brakes come cut to front/rear general length but do not include extra fittings if lines need to be cut or internally routed. Use HT-1035 (olive), HT-1036 (insert), and HT-1037/8 (copper washer)
- *Rotors and adapters sold separately
Today's Stock Status
Currently not available
UPC: Not available
EAN: 5056454906417
Manufacturer Part Number: T4E4BR
HT4122
171675-Q0-L
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
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Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
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4.0 ★★★★★
Based on 9 reviews
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Product Reviews
★★★★★ 5
Great for High Mileage Vehicles
Size: 5 Quarts
Reliable synthetic blend for high mileage vehicles. Castrol GTX High Mileage 20W-50 is our go-to oil for older vehicles and high-mileage units in our dealership inventory. The synthetic blend formula provides good protection for engines with significant wear. The 20W-50 viscosity helps reduce oil consumption in higher mileage engines. We've had excellent results using this in trucks and SUVs with over 100k miles. The seal conditioning additives help prevent leaks. Price point is reasonable for a quality synthetic blend. The 5-quart bottles are convenient for standard oil changes. Castrol quality and reputation you can trust. Solid choice for keeping high-mileage vehicles running strong.
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Reviewed in the United States on February 16, 2026
★★★★★ 5
Hustler raptor SD hydro oil
Size: 5 Quarts
Good quality oil used for my hustler raptor SD hydro oil. Far better price than buying a 100 dollar kit. My total cost was 40 bucks with filters.
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Reviewed in the United States on April 14, 2026
★★★★★ 5
Quality oil
Size: 5 Quarts, Pack of 3
I use nothing but Castrol GTX high mileage 20w50 oil and Wix oil filters in my 2000 Nissan Frontier with 317,000 highway miles on the engine. I change the oil every 3,000 miles and engine is still going strong!
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Reviewed in the United States on March 19, 2026
★★★★★ 5
Amazon has become my go-to motor oil merchant
Size: 5 Quarts
I could not be happier with this oil.
I have been using Castrol GTX regular and High Mileage oils in several cars for 8+ years so you can imagine that I am satisfied with the brand.
As for Castrol's GTX High Mileage 20W-50, I have been using it for a while, first purchasing it at parts stores, but this oil was phased out of many stores in my area. I bought most of the stock I could find in the local stores and then pondered the question of what to do when I use it all up. I searched for this oil on Amazon, merely on a whim, and I was ecstatic to find that they sold it for a price much lower than what I was paying in the auto stores. An oil change on my car takes about four quarts, so I first purchased two of these five quart containers. After using them up and a having a great experience purchasing them on Amazon, I went ahead and purchased four more containers to stock up.
I do much of my own vehicle maintenance and working on cars a hobby of mine, so oil changes are something that I always do on my own. I use this Castrol in a 1992 Volvo 240 Wagon with 250,000 miles which is a daily driver and I will not use anything else for oil at this point. A specialist for these cars recommended that I try a 20W-50 oil in the B230F in my Volvo. I have been able to keep my engine running very smoothly for its age and mileage through regular oil changes and the use of this quality oil. I am confident that recurrent use of this oil will help me push the Volvo many more miles before needing to do an overhaul (the engine is yet to be overhauled, but that should be no big surprise for anyone who has experience with a B2XX engine Volvo).
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Reviewed in the United States on April 13, 2016
★★★★★ 5
Cannot purchase this locally any longer
Size: 5 Quarts
I cannot purchase this viscosity locally any longer. I was very glad to see it offered here. I use this thicker oil in my 2.2 liter Chevrolet engine that has over 200k miles. It works great.
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Reviewed in the United States on April 12, 2026