Kogel Kogel Derailleur Pulley Hybrid Ceramic Shimano 12sp Red CheckoutTitle=Challenge Chicane Pro Clincher Tire Uses a CR2032 battery that

Uses a CR2032 battery that can be replaced without tools

It works on just about anything

Steerer Type Tapered Defined Color Black Positive Spring Air Wheel Size 29" Offset 51 External Adjustments Low Speed Compression Damping External Adjustments Rebound Damping Color Black Designed for ebike Yes Lockout Switch Handlebar - Cable Negative Spring Air S

Bottom bracket: 1/4x9=12

Kogel Kogel Derailleur Pulley Hybrid Ceramic Shimano 12sp Red CheckoutTitle=Challenge Chicane Pro Clincher Tire Uses a CR2032 battery thatDesigned for the Shimano 12 speed mountain bike derailleurs these pulleys maximize the tooth count to reduce friction. The specific 14 tooth upper and lower pulley wheels are built to last: aluminum cogs serviceable bearings to resist the most challenging mountain bike conditions. Compatible with Shimano 12 speed mountain bike derailleurs. Cross seals only TECH SPECS Vendor Kogel Manufacture Number PUL 1414 M9100 C RED Model Name Kogel Derailleur