2pcs MTB/Road Bicycle Wheel Valve Caps

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RISK 2pcs MTB/Road Bicycle Wheel Valve Caps Aluminum Mountain Bike Wheel Tire Valves Tyre Stem Air valve Caps Airtight Car Cove
RISK 7075 Aluminium Alloy FV/AV Valve Cap

7075 Aluminium Alloy
Plum Shape Anti-Slip
Anodic Oxidation Technology
High Thread Precision

FV18 Presta Valve Cap
AV18 Schrader Valve Cap



7075 AL Alloy
Plum Shape Anti-Slip
High Thread Precision
Lightweight, Unique Personality

1.Strictly selected 7075 aluminum alloy
High quality requirement!

This 7075 aluminium alloy valve cap,
after design, proofing, test and other steps,we use high-cost 7075-T651 aluminium alloy,to ensure quality and meet the requirements of light weight at the same time!
RISK continuously pursues higher quality!


7075-T651 Aluminum Material
Tensile Strength/Hardness/Pressure
Higher than 6061-T6

7075-T651 aluminum
Tensile strength: 524Mpa
Hardness 150HB (19HW)
Pressure: 455MPa

6061-T6 aluminum
Tensile strength: 310Mpa
Hardness: 95HB (15HW)
Yield strength: 276MPa

Note: Data are from Baidu Encyclopedia.

High quality materials to ensure quality!
True 7075-T651 aluminum
Webster hardness tester
19±0.5HW (150HB)

Note: The hardness of common 6061-T6 aluminium is only 15HW (95HB), and the hardness and cost of 7075 are much higher than 6061. (Baidu Encyclopedia)。
Note: Data is manual measurement in RISK lab.


2.Accuracy and Quality Pursuit

Many fine polishing, only for the pursuit of better products!
The surface is smooth and round, creating a metallic feel for you!

Thread precision

Fine polishing,meticulous workmanship!

Plum shape design, beautiful + anti- skid!


Precision test probe

Smooth and round feel, noble feeling!
Precision Machining, Measuring Ra 0.335um (The smaller the value, the smoother it is)
Note: Data are from RISK Laboratory.

Roughness contrast sample

Data Analysis:
Sample 1 (left): Rough polishing, corrugated, rough
Sample 2 (right): Fine polishing, smooth and round.
RISK valve cap measured Ra: 0.335!
Superior quality!
Note: The data source is from RISK Labs



FV18 Presta Valve Cap
Light weight: 0.95g
We care about the weight of each gram!

AV18 Schrader Valve Cap
Light weight: 1.4g
Although schrader valve cap is " chubby", but we can also achieve extreme lightweight!


FV18 Presta Valve Cap/AV18 Schrader Valve Cap



Plastic box
Note: The shape may vary during package.



FV18 /AV18 Presta Valve Cap


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