Sugino XD600 Tandem Crank Arm - 175mm Right Rear 110/74 BCD Square Taper JIS Spindle Interface Silver MFPN=OV32 The S3 chainring is rigid

The S3 chainring is rigid and has less friction compared with an anodized chainring

Finger loop pull

It can be applied anywhere and is ready to ski in under 4 minutes

With a maximum output of 40 lumens

Power readings are accurate within +/-1

Sugino XD600 Tandem Crank Arm - 175mm Right Rear 110/74 BCD Square Taper JIS Spindle Interface Silver MFPN=OV32 The S3 chainring is rigidSugino XD600 Tandem Crank Arms are sold individually. Rings Sold Separately Number of Chainrings No Rings Included Chainring BCD 74 Chainline Hub Compatibility 145 Hubs Color Silver Crank Length (mm) 175 Crank Intended Use Tandem Weight 290 BB Included No Pedal Spindle 9 16" Spindle Interface Type Square Taper JIS Defined Color Silver