ZTTO BB109 ITA70 ITA 70 CERAMIC External Bearing Bottom MTB Road bike External Bearing Bottom Brackets Durable silicone seal

Description

ZTTO CERAMIC
BB109 ITA

EXTERNAL BEARING BOTTOM BRACKETS

36 x 24TPI ITALY THREAD

ITA70
BOTTOM BRACKETS

Made of Ceramic, lighter, makes it solid and durable with a long service time.

The alloy shell can absorb roundness tolerance for installing ports of Bracket Bottom.

Dual silicone seal keeps the contamination out for longer life, easy installation.

Integrated System can protect the frame, more power output, its better than ordinary structure bottom bracket.

Inside spring ensures water and dust resistance.

Specifications:

Conditions: 100 Brand New and High Quality

Color: Black

Weight: about 94g

Package Include: 1 x Thread Crankset Bearing

For Sh1ma

φ24/24mm
AND

Srann GXP φ24/22mm

For 70mm φ36mm Frame Shell