Shimano Altus FC-M311 Crankset - 170mm 7/8-Speed 42/32/22t Riveted Square Taper JIS Spindle Interface BLK With Chainguard Model=Dura-Ace SL-BSR1 Bar End Shifters Overmolded flap gives added protection

Overmolded flap gives added protection on outside clamp

compatible with rechargeable battery

125″ closed cell foam for padding at top tube and downtube

DUB bottom bracket (Sold separately) adds durability simplicity and broad compatibility

Model Strada Pro Size 700c Width 32mm Casing Super Polyester TPI 300 Compound SMARTprime Bead Folding Type Tubeless Color Black Weight -

Shimano Altus FC-M311 Crankset - 170mm 7/8-Speed 42/32/22t Riveted Square Taper JIS Spindle Interface BLK With Chainguard Model=Dura-Ace SL-BSR1 Bar End Shifters Overmolded flap gives added protectionShimano Altus FC M311 cranksets feature aluminum crankarms with steel SG X chainrings for smooth and reliable shifting. Hyperdrive integrated SG X steel chainrings provide precise and reliable front shifting Proven 3 pc. design with sturdy aluminum crank arms (bottom bracket sold separately) 50mm Chainline 187. 9mm Q factor Rings 42 32 22 Number of Chainrings Triple Drivetrain Speeds 8 Chainring BCD Riveted Chainline Hub Compatibility 135 142 MTB Hubs