EZ4U

EZ4U EZ4U 自行車改裝品

Do you often take your G Line out into nature, riding through water, mud, or rugged trails?Have you noticed any rusty wa...
18/05/2026

Do you often take your G Line out into nature, riding through water, mud, or rugged trails?

Have you noticed any rusty water or corrosion stains leaking from the rear triangle pivot on your G Line?

I’m planning to design and manufacture a high-strength stainless steel upgrade part to replace this original Brompton pivot spindle.

Tail-Lights Adapter For Brompton
27/04/2026

Tail-Lights Adapter
For Brompton

When using public transportation, the smaller the folded size, the easier it is to store in luggage compartments. By ins...
24/03/2026

When using public transportation, the smaller the folded size, the easier it is to store in luggage compartments.
By installing the Minips G-line, the reduced width allows it to fit into even the narrowest luggage spaces on the Taiwan High Speed Rail (THSR)."

Adjustment Stem Test
14/01/2026

Adjustment Stem Test

31/12/2025

季節限定-油菜花可食用的花田,也是冬季休耕季的花肥作物。

G-Line Titanium Frame Upgrade Kit is coming.In terms of appearance and weld quality, the finishing and attention to deta...
17/12/2025

G-Line Titanium Frame Upgrade Kit is coming.
In terms of appearance and weld quality, the finishing and attention to detail are noticeably better than previous generations.
—————————————
•Front fork: 439 g (Brompton: 744 g) — 305 g saved

•Rear triangle: 633 g (Brompton: 1,224 g) — 591 g saved

•S-size seat tube: 497 g (Brompton: 665 g) — 168 g saved

•Main frame tube: 1,350 g (Brompton: 2,206 g) — 856 g saved
—————
Total weight of Brompton steel frame set (4 pieces): 4,839 g
—————
Total weight of titanium frame set (4 pieces): 2,919 g
—————————————————-
→ Total weight reduction: 1,920 g

————————————-

Carbon fiber front fork+ Titanium rear triangle

Carbon fiber front fork:
745 − 383 = 362 g saved

Titanium rear triangle:
1,224 − 633 = 591 g saved

Total weight reduction:
362 + 591 = 953 g

If you’re interested in upgrading or replacing the front and rear forks,
please contact us.

Winter Ride to TatakaClimbing toward Tataka in winter has a completely different rhythm. The air is sharper, and the gro...
10/12/2025

Winter Ride to Tataka

Climbing toward Tataka in winter has a completely different rhythm. The air is sharper, and the ground tells its own story—ice along the roadside at dawn, then shimmering meltwater once the sun finally reaches over the ridge. Every turn feels quieter, as if the mountain is holding its breath in the cold.

Despite the frozen morning surface, the bike handled the climb with a smooth, steady feel. The EZ4U Gline 451 carbon wheelset added a surprising lightness to each pedal stroke, making the ascent feel more like gliding than grinding. Even on patches where the road was still damp from melted frost, the wheels held their line confidently, keeping the ride calm and predictable.

When I reached the viewpoint, winter sunlight washed over the valley, revealing pockets of red maples that had stubbornly held onto their last leaves. I took a quick photo—the kind that captures both the stillness of the season and the quiet satisfaction of making it up there.

A simple ride, a cold mountain morning, and a setup that turned a winter climb into something effortlessly enjoyable.

Address

嘉義縣大林鎮

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