e*thirteen Helix Race Alloy e*spec Crank Arm Set - Specialized M30 SL1.1 14mm Offset 160mm Self Extractor BLK MFPN=HXCSXBXB1 or EC (traditional External Cup)

or EC (traditional External Cup) available for 1-1/8 inch and tapered steerers

Made in the USA

}Park Tool HCW-7 Headset Wrench: 30

Light Type LED Output 300 / 150 lumens Battery Type Li-Polymer Bracket On handlebar/seatpost Primary Color Black Run Time Up to 28h F / 25h R Rechargeable Yes Position Set Lumen Range 201 - 400

then it will protect your chain in all riding conditions and allow you to ride longer between applications

e*thirteen Helix Race Alloy e*spec Crank Arm Set - Specialized M30 SL1.1 14mm Offset 160mm Self Extractor BLK MFPN=HXCSXBXB1 or EC (traditional External Cup)A high performance weight optimized alternative to carbon fiber for riders who prefer alloy cranks. These 24mm ISIS interface cranks are engineered for compatibility with Bosch Gen 4 Brose S Mag TQ HPR 50 Fazua Yamaha Maxon and Specialized Brose motor systems. They come in short lengths starting at 155mm for improved pedal clearance and are tested to E Enduro standards. Color Black Crank Length (mm) 160 Pedal Spindle 9 16" Spindle Interface Type ISIS