16 Piece Mountain Bike Bottom Bracket Spacer Kit With 35x41mm Washers For Shimano BB51 BB52 BB70 Not Compatible With Other Models Plastic Spacers In Thick 2.5mm 1.8mm And 0.7mm So You Can Dial In Your Ride For A Custom Smoother Ride

16pc BB spacer kit 35x41mm for BB51/BB52/BB70
✔️ 16 washers: 2.5/1.8/0.7mm, 35x41mm, fits BB51/BB52/BB70

This plastic washer set is designed for mountain bike bottom brackets, offering durable, wear resistant spacers to dial in crank alignment for a smoother, quieter ride. It fits BB51, BB52 and BB70 bottom brackets to reduce frame vibration and extend spindle life.

✅ 16 pieces total: 8×2.5mm, 4×1.8mm, 4×0.7mm
✅ 35x41mm washers are plastic, wear- and corrosion-resistant
✅ Reduces shock and noise in middle axis operation
✅ Protects spindle and reduces bike frame vibration

💡 What is a bottom bracket spacer kit used for and who needs one?

These spacers let you dial in crank spacing for a smoother ride on compatible BB setups.

• Precise 35x41mm spacers in 2.5/1.8/0.7mm sizes for BB51/BB52/BB70
• Plastic spacers provide wear resistance and protect the crank axis
• Includes 16 washers to cover multiple replacements
• Helps reduce frame vibration and noise for better ride quality