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Brompton T Line 4 Speed Stardust Sea Otter Custom Shop Limited Edition Show Bike

Brompton T Line 4 Speed Stardust Sea Otter Custom Shop Limited Edition Show Bike

$14,999.00
$14,999.00
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Details That Matter

The 12-speed build offers smooth transitions between gears, so whether you’re climbing or cruising, you’re always in the right one. The motor delivers torque without bulk, and the battery detaches simply so you can charge wherever is easiest. Fold it up, carry it in, stash it under your desk or toss it in the trunk — it disappears until you need it.

Is This Your Bike? Read On.

Built with over 150 weight-saving components and an all-new titanium frame, this Brompton delivers ride quality without compromise. Carbon fork, handlebar, and crankset tame vibrations. The T Line’s crisp 12-speed drivetrain gives expansive range while keeping things precise and efficient. Every fold still feels like magic—you get performance and portability in one seamless package.

Pure Brompton

This Brompton is the result of decades spent perfecting one idea: a bike that makes life easier. Every hinge, braze, weld, and cable is there because it has to be, tested and refined until it works flawlessly. This isn’t a trend or a passing style — it’s a promise to keep you moving with a design proven around the world since 1975.

Brompton T Line 4 Speed Stardust Sea Otter Custom Shop Limited Edition Show Bike

Details That Matter

The 12-speed build offers smooth transitions between gears, so whether you’re climbing or cruising, you’re always in the right one. The motor delivers torque without bulk, and the battery detaches simply so you can charge wherever is easiest. Fold it up, carry it in, stash it under your desk or toss it in the trunk — it disappears until you need it.

Is This Your Bike? Read On.

Built with over 150 weight-saving components and an all-new titanium frame, this Brompton delivers ride quality without compromise. Carbon fork, handlebar, and crankset tame vibrations. The T Line’s crisp 12-speed drivetrain gives expansive range while keeping things precise and efficient. Every fold still feels like magic—you get performance and portability in one seamless package.

Pure Brompton

This Brompton is the result of decades spent perfecting one idea: a bike that makes life easier. Every hinge, braze, weld, and cable is there because it has to be, tested and refined until it works flawlessly. This isn’t a trend or a passing style — it’s a promise to keep you moving with a design proven around the world since 1975.

Frequently Asked Questions

The T Line One (1-speed) weighs just 16.4 lbs—the lightest Brompton ever. The T Line Urban (4-speed) weighs approximately 17.5 lbs. The T Line Explore (12-speed) weighs around 19.8 lbs. For comparison most city bikes weigh upwards of 30 Lbs.

The T Line titanium framesets are made in Brompton's specialist TIG welding factory in Sheffield England. The frames are orbital welded then TIG welded using specialized techniques for titanium. Final assembly happens at Brompton's London factory.

For riders who carry their bike often and value every ounce—yes. The T Line is noticeably easier to lift and carry. For occasional folders or riders who mostly ride rather than carry, the C Line or P Line delivers excellent value. The T Line is the Brompton when weight is key.

Yes. The T Line folds to the same compact dimensions as the C and P Lines in under 20 seconds. The premium materials do not change the fold—just the weight.

Yes. Check out our Brompton Custom Shop and Design Studio. We offer more custom options than anyone we know of.

Every Brompton from Clever Cycles includes our Pro Build—a $150 upgrade free. Your bike gets a full inspection, wheels trued and tensioned, brakes and gears dialed in, every fastener torqued to spec, then test-ridden and verified by a second mechanic before it goes out the door. You also get warranty support, expert fitting advice, reward points, and zero-interest financing.

Yes. Brompton offers a 7-year warranty on the frame and 2 years on components when purchased from an authorized Brompton dealer like Clever Cycles.

Absolutely. Clever Cycles stocks T Line demo bikes so you can experience the lightweight ride firsthand before purchasing. Warning: You will probably want one after test riding.

The frame is coated in a special Cerakote ceramic finish and includes complimentary colored touch points.