Spawn Yama Jama 20"

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  • Overview
  • Lightweight 20" Front Suspension Mountain Bike for kids 4-7 years old. 80mm travel. Weight ~21.5 lbs.

Product details

IN STORE PICKUP OR LOCAL DELIVERY ONLY

Lightweight 20" Front Suspension Mountain Bike for kids 4-7 years old. 80mm travel. Weight ~21.5 lbs.

It all starts with a lightweight but sturdy 6061-T6 alloy frame using hydroformed and double-butted tubing, a semi-integrated head tube, a unique forged BB shell/yoke, ISCG-05 tabs and even an internal routing option for dropper posts.

The Brood Bike Co. Eldorado suspension fork was designed and tuned specifically for young kids and features a hand-laid carbon fibre lower, a replaceable cartridge damper with a rubber bladder, lockout, a 15mm through-axle and 80mm of plush, nearly stiction-free travel.

With a base like that, we couldn’t skimp on the components. The drivetrain starts with the Brood Bike Co. Styx 130mm crank using a SRAM pattern direct mount interface for the chainwheel and a sealed external bottom bracket. We add a Brood 30T narrow wide alloy chainwheel and then utilize a SRAM GX derailleur and shifter combo to get things moving to the 11-36T 10-speed SRAM cassette. Stopping is handled by powerful Tektro Auriga hydraulic discs.

The next big highlight is the wheelset and tires. The Yama Jama uses Brood Bike Co. lightweight and high-quality tubeless-ready rims with a wide profile and tops it off with the amazing Brood Maxtion foldable, tubeless-ready tire. Touch points matter for kids too, so we’ve topped this Yama Jama off with Brood Tenderiderz lock-on grips and the Brood Throne seat with a unique Pivotal mechanism that provides fore/aft adjustment.

Simply put, this is the ultimate 20” hardtail mountain bike for kids! 

 

 

SPECS

 

FRAMESET

Frame: 6061 - T6 ALLOY, HYDROFORMED & DOUBLE BUTTED TUBING

Fork: BROOD ELDORADO, CARBON FIBER LOWER, ADJUSTABLE REBOUND, LOCKOUT - 80MM TRAVEL

WHEELS

Hub Front: ALLOY, SEALED BEARING - 100 X 15

Hub Rear: ALLOY, SEALED BEARING - 135 X 9

Rims: BROOD TR27, ALLOY, 28H

Tires: BROOD MAXTION, 20" X 2.20", TUBELESS READY

Headset: SEALED BEARING

DRIVETRAIN

Cranks: BROOD STYX 2 PIECE DIRECT MOUNT ALLOY, 130MM

Chainwheel: BROOD NARROW WIDE, CNC ALLOY, 30T

Bottom Breakset: SEALED EXTERNAL BEARING

Rear Derailleur: SRAM GX

Shifter: SRAM GX

Cassette: SRAM 10 SPEED, 11-36T

Chain: KMC X10 SILVER

Brakes: TEKTRO HYDRAULIC DISC, 160MM

Brake Levers: TEKTRO

COMPONENTS

Seat: BROOD THRONE PIVOTAL

Seatpost: ALLOY PIVOTAL, 220MM, 30.9MM

Seatpost Camp: ALLOY, QR

Handlebar: ALLOY, 560MM WIDE, 31.8MM

Grips: BROOD TENDERIDERZ LOCK-ON

Stem: FORGED ALLOY, 40MM

Brake: Tektro v-brake

Brake Levers: Tektro

Pedals: WELLGO PLATFORM, ALLOY

GEOMETRY

Seat Tube Length: 255MM

Head Tube Angle: 68 DEGREES

Effective Seat Tube Angle: 72 DEGREES

Theoretical Top Tube Length: 450MM

Head Tube Length: 100MM

Fork Length: 385MM

Wheel Base: 869MM

Front Centre: 529MM

Rear Centre: 340MM

 

 

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