Shimano Saint RD-M820-SS1 Rear Derailleur - 10 Speed Short Cage Black ModelNumber=G1316 Adjuster threading is M5 standard:

Adjuster threading is M5 standard: 5mm OD 0

54mm reach HEADSET: RADIO RACELINE "PRO"

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Shimano Saint RD-M820-SS1 Rear Derailleur - 10 Speed Short Cage Black ModelNumber=G1316 Adjuster threading is M5 standard:Thanks to its Shadow RD+ low profile design and close ratio compatibility the Shimano Saint RD M820 rear derailleur is ready for the rough and tumble world of gravity racing. Shimano Saint specific Shadow+ design offers a rear derailleur with less distraction for a quiet drive train and features an adjustable stabilizer to reduce chain slap Mode Converter allows the derailleur to track different type of cogsets DH mode is a close ratio mode to track