12x17x14 mm ProX small end / wrist pin bearing 21.1003 YZ125X Custom builders who need to

Custom builders who need to work on tuned engines can customize every detail of the mapping using the Maya programming software (sold separately)

2009 - 2025 KTM 50 SX

Bore                             Ø54

The Nihilo Concepts KTM Billet aluminum case saver with double ball bearing roller replaces the stock plastic chain slide

Their high quality bearings are a perfect match for your wheels

12x17x14 mm ProX small end / wrist pin bearing 21.1003 YZ125X Custom builders who need toMade in Japan Part # 21. 1003 Size: 12 x 17 x 14 mm Features: Manufactured by leading Japanese OEM factories. Designed to exact OEM specifications to be a direct and cost efficient OEM replacement. Fitment: MAKE MODEL YEAR HONDA Dio50 All HONDA Lead80 All HONDA MB50 All HONDA MBX50 All HONDA MBX80 All HONDA MT50 All HONDA MTX50 All HONDA MTX80 All HONDA NH80 All HONDA NSR50 All Ibeston A50 All Ibeston CL50 All Ibeston QT50 All Kymco KYM50 All Piaggio