This MTB bottom bracket ensures smooth pedal rotation and durability.
这款山地自行车中轴确保踩踏顺滑且耐用。
High-quality bottom brackets reduce friction and improve power transfer.
高品质中轴减少摩擦，提升动力传输效率。
The bicycle bottom bracket is compatible with most 68mm BB shells.
该山地自行车中轴适配大多数68毫米五通规格。
Sealed cartridge bottom brackets resist water and dust effectively.
封闭式中轴有效防水防尘，延长使用寿命。
Installing the correct bottom bracket enhances riding performance.
正确安装中轴可显著提升骑行表现。
This MTB bottom bracket uses premium bearings for longer life.
这款山地车中轴采用优质轴承，寿命更长。
Choose a reliable bottom bracket to avoid chain drop issues.
选择可靠的中轴可避免掉链等问题。
The crankset runs smoothly thanks to the precision bottom bracket.
曲柄组运转顺畅，得益于精密中轴设计。
Upgrading your bottom bracket improves overall bike efficiency.
升级中轴能全面提升自行车运行效率。
This bicycle bottom bracket supports both square taper and ISIS drives.
此中轴支持方孔和ISIS驱动两种曲柄类型。
Looking for a high-performance mountain bike bottom bracket that delivers reliability, smoothness, and long-lasting durability? Meet the TrailPro Elite BB30 – the ultimate upgrade for serious riders. Precision-engineered with premium sealed bearings, this MTB bottom bracket reduces friction by up to 40% compared to standard models, ensuring every pedal stroke counts.
Made from aerospace-grade aluminum and integrated steel cups, it’s lightweight at just 120g while offering exceptional strength. Compatible with 68mm and 73mm BB shell frames, the TrailPro Elite fits most modern mountain bikes using 24mm spindle cranks. Available in black and silver, it combines sleek aesthetics with rugged functionality.
Whether you're tackling rocky trails or climbing steep hills, this bicycle bottom bracket maintains consistent performance under pressure. Its double-lip seal technology keeps out mud, water, and debris – no more frequent maintenance! With over 50,000 satisfied users worldwide and a 5-star average rating, it's trusted by trail riders and weekend adventurers alike.
Easy to install with included tool adapter, the TrailPro Elite MTB bottom bracket offers professional-grade performance at an affordable price of ¥199. Upgrade your ride today and feel the difference in power transfer, smoothness, and control. Don’t settle for worn-out originals – choose precision, choose durability, choose TrailPro!
想为你的山地车找一款性能卓越、运行顺滑又经久耐用的中轴？隆重推出TrailPro Elite BB30——专业骑手的理想升级之选！采用高精度密封轴承制造，相比普通中轴摩擦降低高达40%，让每一次踩踏都更高效有力。
本品选用航空级铝合金搭配钢制碗组，重量仅120克却坚固可靠。支持68mm与73mm五通规格，兼容主流24mm轴心曲柄系统，适配绝大多数现代山地车架。提供黑色与银色两种时尚配色，兼顾美观与实用性。
无论是挑战碎石陡坡还是长途越野，这款山地自行车中轴都能保持稳定输出。双唇密封技术有效阻隔泥水灰尘，大幅减少保养频率。全球已售出超5万件，用户好评如潮，平均评分高达5星，深受户外骑行爱好者信赖。
附赠安装工具转接头，轻松完成更换，仅需¥199即可享受专业级骑行体验。立即升级你的爱车中轴，感受动力传递更直接、踩踏更丝滑、操控更精准的骑行快感！别再忍受老旧中轴的卡顿，选择精准，选择耐用，就选TrailPro Elite！
