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Service Intervals
Break-in
All bikes go through a normal break-in period. Your bike will last longer and work better if you break it in before riding it hard.
We recommend all riders get a quick tune-up one month after purchase so that the dealer can adjust cables and other key parts.
Maintenance schedule
Your bike needs a regular tune-up by an Authorized Tern Dealer. Below is our recommended tune-up frequency based on how often you
ride, and under what conditions.
Types of Riding
HEAVY RIDER
Tune-Up Frequency
Monthly
Rides 25 km (15 mi) or more
daily
Rides in all weather conditions
Rides on roads with bumps
and/or potholes
Carries 105 kg (230 lb) or less
on the bike, including rider’s
weight
FREQUENT RIDER
Tune-Up Frequency
Bi-Monthly
Rides 3 or 4 times a week or
an average of 100 km (62 mi)
per week
Sometimes rides in wet
weather
Rides on roads with bumps
and/or potholes
Carries 105 kg (230 lb) or less
on the bike, including rider’s
weight
RECREATIONAL RIDER
Tune-Up Frequency
Quarterly
Rides once or twice a week
Rides in dry weather or
occasional light rain
Always rides on smooth
bicycle paths or paved roads
Carries 105 kg (230 lb) or less
on the bike, including rider’s
weight
LIGHT RIDER
Tune-Up Frequency
Annually
Rides once or twice a month
Only rides in dry weather
Always rides on smooth
bicycle paths or paved roads
Carries 105 kg (230 lb) or less
on the bike, including rider’s
weight
16. Service and Maintenance Schedule
Brakes and Fork
Component lbf.in Newton Meters (Nm) kgf.cm
Brake Lever (Flat Bar) 53-60 6-6.8 61-69
Brake Lever (Drop Bar) 55-80 6.2-9 63-92
Disc Rotor to Hub (M5 bolts) 18-35 2-4 21-40
Caliper Mount 55-70 6.2-7.9 63-81
Wheels and Fork
Component lbf.in Newton Meters (Nm) kgf.cm
Free Hub Body 305-434 34.5-49 352-499
Cassette Sprocket Lockring 260-434 29.4-49 299-499
Front Axel Nuts 180 20.3 207
Rear Axel Nuts 260-390 29.4-44.1 299-449
Drivetrain and Fork
Component lbf.in Newton Meters (Nm) kgf.cm
Pedal into Crank 307 34.7 353
Crank Bolt (Spline and Square Spindles) 300-395 33.9-44.6 345-454
Bottom Bracket (External Shell) 610-700 40-50 702-805
Bottom Bracket (Cartridge and Cup-and-Cone) 435-610 49.1-68.9 500-702
Others and Fork
Component lbf.in Newton Meters (Nm) kgf.cm
Steerer Clamp Bolt (Stem) 70-89 8-10 80-102
Top Cap Bolt 35-53 4-6 41-62
Handlebar Clamp Bolts (4 Clamp Bolts) 36-53 4-6 41-62
Saddle Rail Clamp 70-89 8-10 80-102
Relationship : 1 Nm = 8.9 lbf.in = 10.2 kgf.cm