Black U-shaped bicycle lock with a heavy-duty base, shown with two keys and included accessories on a plain white background. The brand name ROCKBROS is clearly visible on the base and lock body. #Color_Lock+Cable
A coiled 4-foot steel cable lock with a black metal gate clasp, shown on a light beige background with text indicating its dimensions and a circular inset showing a digital caliper measuring the cable diameter. #Color_Lock+Cable
A high-performance anti-theft bicycle lock shown in a composite marketing graphic. The right side shows the black steel lock attached around a bicycle seat post, with a bicycle tire visible in an outdoor setting. #Color_Lock+Cable
A black Rockbros bicycle seat post lock with a U-bar style lock, shown attached to a bicycle seat post with a saddle above, on a light gray background.
Black Rockbros carbon steel U-lock shown on a light beige background with promotional text and feature callouts, including 'Security and Anti-Theft,' 'Carbon steel material,' 'Thick lock body,' 'Firm and resistant,' and 'Long service life.' A caliper is shown measuring the lock body in the lower right.
Installation steps diagram showing a bicycle seatpost lock mounted onto a black bicycle seatpost, with four panels containing numbered text instructions and close-up views of hands securing the lock.
A close-up of a black U-lock bicycle wheel lock branded ROCKBROS, secured around a silver metal wheel rim on a paved ground.
A close-up of a black Rockbros U-lock bicycle chain lock secured around a white and blue bicycle frame, with the bicycle wheel visible in the background.
A black U-lock bicycle lock with the brand name ROCKBROS printed in white on the shackle, shown locked onto a white metal railing.
A close-up of a hand holding a black Rockbros U-lock bicycle lock against a dark textured background.
Bicycle seat post with 'ROCKBROS' branding against a blurred green background
A black metal bicycle lock with white branding and technical markings, shown diagonally against a light gray background with faint bird and rock silhouettes.
SKU: 32410607001+T300BK

Bike U Lock with 4 ft Cable Heavy Duty Anti Theft with 2 Keys & Bracket

Sale price$19.99 USD Regular price$26.99 USD
Save $7.00
Color: Lock+Cable
Product FEATURES
Product Detail
Name: Bold anti-shear U-shaped lock
Material:steel carbon+zinc alloy lock cylinder
Lock Body Diameter:≈2.2cm
Steel Diameter:≈1.4cm
Product weight:≈400g
Be Applicable:Bicycles, motorcycles, etc.

Product Features
1.High-strength steelzinc alloy lock core
2.12 Tons Of Hydraulic Pliers Cut Continuously
3.Quenching Heat Treatment Stiffened Steel Beam
4.Double Lock Tamper-proof
5.Silicone Protective Sleeve Doesn't Hurt the Frame
6.Zinc Alloy C-class Anti-Theft Lock cylinder
7.The serpentine slot is difficult to replicate and reduces the mutual opening rate
8.Easy To Lock Anytime Anywhere
9.Two Options Convenient Travel
10.Comes with a storage bracket, which can be attached to a seat post or hung on the frame, saving time and effort
size

Bike U Lock with 4 ft Cable Heavy Duty Anti Theft with 2 Keys & Bracket
Product Detail
Name: Bold anti-shear U-shaped lock
Material:steel carbon+zinc alloy lock cylinder
Lock Body Diameter:≈2.2cm
Steel Diameter:≈1.4cm
Product weight:≈400g
Be Applicable:Bicycles, motorcycles, etc.

Product Features
1.High-strength steelzinc alloy lock core
2.12 Tons Of Hydraulic Pliers Cut Continuously
3.Quenching Heat Treatment Stiffened Steel Beam
4.Double Lock Tamper-proof
5.Silicone Protective Sleeve Doesn't Hurt the Frame
6.Zinc Alloy C-class Anti-Theft Lock cylinder
7.The serpentine slot is difficult to replicate and reduces the mutual opening rate
8.Easy To Lock Anytime Anywhere
9.Two Options Convenient Travel
10.Comes with a storage bracket, which can be attached to a seat post or hung on the frame, saving time and effort
size

Bike U Lock with 4 ft Cable Heavy Duty Anti Theft with 2 Keys & Bracket

You may also like

Frequently asked questions

When will my order arrive?

Most orders are processed in 1–2 business days. Standard delivery within the contiguous United States is typically 3–5 business days. Delivery times can vary by destination and warehouse availability.

Can I return this product?

Most unused items in their original condition and packaging can be returned within 30 days of delivery. Sale items and gift cards are not returnable. Contact info@rockbrosusa.com before sending a return.

Does this order qualify for free shipping?

Eligible orders of $50 or more receive free standard shipping; bikes may be excluded. Standard shipping for orders under $50 is $5.99. See the Shipping Policy for current service areas and exceptions.