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Service manual
Time to get out the repair stand for some maintenance? Find a detailed breakdown of your bike with part numbers, torque values and platform-specific tech instructions below.
Get it hereGeneration A to B
During the global pandemic, kids’ bikes sky-rocketed to must-have status for millions of families. What we do now to keep our kids rolling will determine the health of our future and theirs.
Read moreProduct features
Kid-friendly trigger shifters
Thumb-activated shifters make it easy to find the right gear and set young riders up for success with a kid-friendly version of the shifters you find on adult bikes.
Comfortable, confident geometry
An upright hybrid-style geometry mimics the feel of an adult bike and keeps kids confident and comfortable on the days when they want to ride until dinner time.
Upgrade your pedals and love your bike more
Pedals are two of the five touchpoints that connect you with your bike, and even though this bike comes with a pair, upgrading to pedals that boost control and grip will greatly improve your ride. See the pedal guide and find the best pedals for your riding style. We recommend flat pedals for simple versatility.
Alpha Aluminium frame
Trek's lightweight, high-performance aluminium is durable and rustproof.
1x drive train
Simple shifting is the best way to teach a kid to ride a real mountain bike.
Race-ready components
Quality components mean this bike is ready to shred the singletrack, on race day or every day.
Hand brakes
Confident stopping for youngsters who are ready to control their speed with their hands.
| Frame | Alpha Silver Aluminium, 24" |
|---|---|
| Fork | Wahoo 24" alloy, V-brake bosses, ThruSkew 5 mm QR |
| Hub front | Formula alloy, 100 mm ThruSkew |
|---|---|
| Skewer front | 135x5 mm bolt-on |
| Hub rear | Formula FM32 alloy, 135x5 mm |
| Skewer rear | 169x5 mm bolt-on |
| Rim | Alloy 24", 28 h |
| Tyre | Bontrager Connection Comp, wire bead, 30 tpi, 24x2.00" |
| Max tyre size | 2.40" without mudguards, 2.20" with mudguards |
| Shifter | microSHIFT Acolyte SL-M6285, 8-speed |
|---|---|
| Rear derailleur | microSHIFT Acolyte M5180S, 34-38T max cog |
| Crank | Alloy, 28T steel ring, chainguard, 127 mm length |
| Bottom bracket | Sealed cartridge, 68 mm |
| Cassette | microSHIFT Acolyte H083, 11-38, 8-speed |
| Chain | KMC Z8 |
| Pedal | Kids' Satellite, 9/16 thread |
| Saddle | Kids' padded, integrated seat post, Blendr light mount, 31.6x270 mm |
|---|---|
| Handlebar | Bontrager alloy, 31.8 mm, 15 mm rise, 580 mm width |
| *Grips |
Size:
24" wheel Kids' grip, 108 mm width, lock-on |
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Size:
24" wheel Kids' grip, 110 mm width |
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|
Size:
24" wheel Kids' grip, 108 mm width |
|
| Stem | Bontrager Comp, 31.8 mm, Blendr compatible, 7-degree, 50 mm length |
| Head set | Integrated, sealed cartridge bearings |
| Brake | Alloy linear-pull |
| Brake lever | Kids' alloy brake lever, black |
| Weight | 9.55 kg / 21.06 lbs |
|---|---|
| Weight limit | This bike has a maximum total weight limit (combined weight of bicycle, rider and cargo) of 175 lb (80 kg). |