Frog 72 MTB Mountain Bike (26" 9-Speed)
A serious mountain bike for your child - lightweight and nimble with excellent front suspension!
Fits: 13+ year olds with a minimum inside leg measure of 72 cm (28.3").
Dirt, rocks, bumps and jumps are welcome when riding the Frog 72! This 26” wheel junior mountain bike is the ideal multi terrain bicycle for off-road cycling. With a lightweight, but sturdy frame, your child will be able to maneuver around turns, up hills and over any terrain you find. Unlike many forks on kids mountain bikes, the Frog MTB 72 front fork responds to lightweight kids showing them what suspension can really do. Riding the Frog will feel like a whole new sport for your child!
- Lightweight but sturdy frame
- Frog Bikes junior specific 26" air suspension fork with lockout and damping control (made to respond to a child's weight!)
- Lightweight oversize handlebar and stem
- Easy-reach junior specific hydraulic brakes
- Shimano rapid-fire 9 speed shift lever
- Patented Frog cranks for easier pedalling
- Quick release seat post for easy height adjustment
- Kenda MTB tires
- Free 5 year warranty on frame
Tech Specs
| Approx age | 13+ |
| Wheel size | 26" (ETRTO/ISO 559) |
| Weight | 25.4 lbs |
| Available colours | Metallic Grey & Neon Green OR Metallic Grey & Neon Red |
| Frame | 6061 T6 heat treated, aluminium alloy, seat tube 16" (415mm) |
| Fork | Frog Bikes junior specific 26" air suspension fork with lockout, damping and rebound control, 100mm travel |
| Crank set/ Chainring | Frog Bikes patented aluminium straight arm cranks with double chain guard, 146mm, steel 32t chainring |
| Bottom Bracket | Neco, square taper, 68/107.5, cartridge bearings |
| Pedals | Frog Bikes eco-friendly rice husk & plastic composite, w/reflectors, 9/16" |
| Front Hub | KT-SN3F, high performance aluminium disc hub, sealed cartridge bearings, QR, 24 hole, 6 bolt |
| Rear Hub | KT-SN3F, high performance aluminium disc hub, sealed cartridge bearings, QR, 24 hole, 6 bolt |
| Cassette |
Sunrace, CSM990 9AX, 9-speed, 11-40t |
| Rear Dereailleur |
Shimano Acera RD-M3000 Shadow RD, 9-speed |
| Chain | KMC, 9-speed |
| Rim | Aluminium, 26x1.5, double wall, disc-specific |
| Seat post | Aluminium, micro adjust, 27.2mm |
| Seat clamp | Aluminium, QR |
| Headset | Neco, 1"1/8 semi-integrated threadless with sealed cartridge bearings, aluminium Frog Bikes top cap |
| Handlebar | UNO, Aluminium Oversized, 580mm |
| Stem | UNO, Aluminium, 1"1/8, 60mm, Oversized 4 bolt clamp |
| Grips | Soft rubber grip with lock ring, 30mm OD |
| Gear Shifter | Shimano Acera SLM3000 Rapidfire Shift 9 Speed Lever |
| Brake Levers | Tektro HD-M286, junior specific 2 finger hydraulic disc brakes* |
| Brakes (F+R) | Tektro hydraulic disc brakes, 160/140mm rotor |
| Saddle | Frog Bikes junior specific slimline saddle (medium) |
| Tyres Primary | Kenda K1153, 26x2.1, MTB, (ETRTO/ISO 50-559) |
| Accessories box | Bell, bike reflectors white/red, wheel reflectors orange/white, frame protector patches |
Geometry
| A | Wheelbase (mm) | 1100 |
| B | Seat tube angle (degrees) | 74 |
| C | Head tube angle (degrees) | 69.5 |
| D | Effective top tube (mm) | 587 |
| E | Head tube length (mm) | 110 |
| F | Chain stay length (mm) | 435 |
| G | Seat tube length (mm) | 415 |
| H | BB to Floor (mm) | 295 |
Fork Tuning
| Rider Weight | Pressure |
| 20-30 kgs (44-66 lbs) | 20-30 PSI (1.38-2.07 BAR) |
| 30-40 kgs (66-88 lbs) | 30-40 PSI (2.07-2.76 BAR) |
| 40-50 kgs (88-110 lbs) | 40-50 PSI (2.76-3.45 BAR) |
| 50-60 kgs (110-132 lbs) | 50-60 PSI (13.45-4.14 BAR) |
| 60-70 kgs (132-154 lbs) | 60-70 PSI (4.14-4.83 BAR) |
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United StatesGood experience and product
My son really likes the bike! While it was on back order it arrived sooner than estimated, which is always preferred of course. :) We definitely are pleased with the purchase and delivery.