SHIMANO ALIVIO 3 SPEED SHIFT LEVER SL-M3100-LEnhanced Performance: The Bike Mountain Derailleur Transmission is designed to optimize the performance of your bike, ensuring smooth and precise gear shifts even on challenging terrains. Compatible With Durable Construction: Crafted from materials, this derailleur transmission is built to withstand tough outdoor conditions, providing long lasting reliability and durability. Smooth Gear Changes: Experience effortless shifting with the Bike Mountain

Crank arm length (mm) 175 : Yes

anti-slip Velcro straps * 4 pieces

shares DNA with the C36 DURA-ACE and ULTEGRA wheel options

Goggle and sunglasses compatible

Propionate temple tips provide additional retention and comfort

and premium aesthetics

neck gaiter

Front Difference: 0T

the FC-M7120-1 crankset holds the chain safely even on rough terrain and guarantees at the same time an efficient

Total Capacity：42T

Compatible chain                    : HG 9-speed

Plate : Alloy/Anodized (Copper-Plated)