Surly Single Cassette Cog 3/32" Splined 21t MFPN=00.2518.025.011 DayLightning mode emits lightning-like flashes

DayLightning mode emits lightning-like flashes to highlight your presence in the brightest of daytime hours

Pre-installed stainless steel hardware with mud flaps

Vendor Axiom Manufacture Number 404007-01 Model Name Monsoon Oceanweave P23+ Pannier Category Bags

17oz Steerer Tube Material Steel Steer Tube Diameter 1-1/8" Top Cap 24x1

The XG-1295 Eagle cassette meets durability requirements for E-MTB applications Range 10-50 Cogs 10-12-14-16-18-21-24-28-32-36-42-50 Cassette Body Type SRAM XD Drivetrain Speeds 12 Color Black Designed for ebike Yes Defined Color Black

Surly Single Cassette Cog 3/32" Splined 21t MFPN=00.2518.025.011 DayLightning mode emits lightning-like flashesSurly Single Speed Cogs. Designed as a singlespeed cog but may also be stacked and used with 9 speed shifter. Multi gear use will result in slower less crisp shifting than cogs designed for multi gear systems Fit Shimano freehub splines SCM 415 hardened chromoly steel Photo for color and material reference only Tooth Count 21 Cassette Body Type Shimano HG 7 Speed Drivetrain Speeds Single Speed 3 32" Material Steel