TOKEN TK877ITA ITA Threaded External Bottom Bracket for Shimano

$218.90 AUD

Taxes included. Shipping calculated at checkout.

The TOKEN TK877ITA ITA Threaded External Bottom Bracket for Shimano is a high‑quality drivetrain component designed for bikes using Italian‑threaded (ITA) bottom bracket shells and Shimano 24 mm cranksets. Known for its smooth bearing performance, durability, and precision machining, the TK877ITA is commonly supplied by Brisbane bike shops and installed during professional bicycle service and drivetrain upgrades across Queensland.

Engineered for riders who ride hard and expect long‑lasting performance, this bottom bracket is ideal for road cycling, endurance riding, and demanding training conditions.

External Bearing Design for Long‑Term Reliability

The TK877ITA uses an external bottom bracket design that allows the bearings to sit directly on the crank axle. This straight‑load bearing interface improves efficiency and significantly reduces uneven bearing wear, helping extend service life—especially under high torque and sustained riding.

This design also enables tighter manufacturing tolerances, resulting in smoother rotation and reduced friction compared to conventional internal bearing systems.

Precision Manufacturing for Smooth Performance

Precision machining ensures accurate alignment between frame, bottom bracket, and crankset. This improves drivetrain efficiency, reduces vibration, and delivers a consistent pedalling feel—qualities valued by Brisbane cyclists during long road rides and structured training sessions.

The refined finish also makes the TK877ITA a visually appealing upgrade for premium road bike builds.

Premium Bearing Construction with X‑Seal Protection

The TK877ITA is fitted with Premium high‑carbon steel bearings, manufactured for durability and smooth rolling performance. Bearings are packed with waterproof grease and protected by TOKEN’s patented X‑Seal system, which uses multiple low‑friction seals to block moisture, dirt, and road contamination.

This advanced sealing system reduces maintenance requirements and helps ensure reliable performance in Queensland’s heat, humidity, and wet weather riding conditions.

Built Tough for Road and Off‑Road Use

Oversized bearings and a robust external design make the TK877ITA strong enough for demanding applications, including gravel and light mountain bike use. This toughness makes it a trusted choice for cyclists who expect their bike parts to withstand heavy use without frequent servicing.

Technical Specifications

Model: BB877ITA
Bottom Bracket Type: Threaded external
Frame Compatibility: ITA (Italian‑threaded frames)
Crank Compatibility:
Shimano 24 mm spindle
SRAM GXP (24–22 mm) with GXP adaptor (sold separately)

Bearing Type: Premium high‑carbon steel
Weight: 94 g