Malossi 5320369 MHR TEAM Crankshaft Pin Ø 14 Rod 100 Stroke 47 mm
Malossi 5320369 MHR TEAM Crankshaft Pin Ø 14 Rod 100 Stroke 47 mm
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Engineered for high-power 100 cc racing cylinders, this Malossi MHR TEAM crankshaft features forged special steel half-shafts treated with carburizing, hardening, and cryogenic nitrogen cooling for extreme structural resilience. Aerospace-grade steel connecting rods include integrated lubrication channels and micro-lapped bearing surfaces to drastically minimize friction at peak rotational speeds.
Precision dynamic balancing supports smooth operation up to 16,000 RPM, delivering peak mechanical reliability in competitive racing conditions. Equipped with silver-coated needle cages and high-precision roller bearings, it ensures consistent lubrication and anti-wear protection under extreme loads.
Key Features
| Brand | Malossi |
| Product Type | Crankshaft |
| Model Number | 5320369 |
| Pin Diameter | Ø 14 mm |
| Connecting Rod Length | 100 mm |
| Stroke | 47 mm |
| Max RPM | 16,000 RPM |
| Shaft Material | Special Forged Steel |
| Rod Material | Aerospace-Grade Steel |
| Thermal Treatment | Carburizing, hardening, cryogenic cooling in nitrogen |
| Bearing Seat Tolerance | -0.001 mm |
| Needle Cage Coating | Silver Coating |
| Estimated Weight | 1.8 kg |
Highlights
- Forged special steel half-shafts with cryogenic nitrogen treatment
- Dynamically balanced for competition speeds up to 16,000 RPM
- Aerospace-grade CNC-machined connecting rod with internal lubrication channels
- Silver-coated needle cages with anti-torsion rollers for minimal friction
- Machined bearing seats with precision tolerances within -0.001 mm
Materials & care
Manufactured from forged special alloy steel and aerospace-grade steel with silver-plated needle bearing cages. Ensure proper 2-stroke racing lubrication and professional installation with specialized tools to maintain precision bearing tolerances.
Sizing & fit
Features a 47 mm stroke, 100 mm rod length, and 14 mm pin diameter. Compatible with select 50 cc 2T LC Piaggio engine platforms including Aprilia SR, Gilera Runner, Derbi GP1, and Piaggio Zip SP/NRG models configured for racing setups.
Compatibility
| Manufacturer | Model |
|---|---|
| APRILIA | APRILIA SR (carb.) 50 2T LC 2004-> (PIAGGIO) |
| APRILIA | APRILIA SR R 50 2T LC euro 4 2018-> (PIAGGIO CA81M) |
| APRILIA | APRILIA SR R (carb.) 50 2T LC (PIAGGIO) |
| APRILIA | APRILIA SR Street 50 2T LC euro 2 |
| DERBI | DERBI GP1 50 2T LC |
| DERBI | DERBI GP1 OPEN 50 2T LC |
| DERBI | DERBI GP1 REVOLUTION 50 2T LC |
| GILERA | GILERA RUNNER SP 50 2T LC <-2005 |
| GILERA | GILERA RUNNER SP 50 2T LC 2006-> (C451M) |
| GILERA | GILERA RUNNER 50 2T LC |
| PIAGGIO | PIAGGIO NRG Power 50 2T LC euro 4 2018->2020 (CA71M) |
| PIAGGIO | PIAGGIO NRG EXTREME 50 2T LC |
| PIAGGIO | PIAGGIO NRG MC2 50 2T LC <-1997 |
| PIAGGIO | PIAGGIO NRG MC2 50 2T LC 1998-> |
| PIAGGIO | PIAGGIO NRG 50 2T LC |
| PIAGGIO | PIAGGIO NRG MC3 DD 50 2T LC |
| PIAGGIO | PIAGGIO NTT 50 2T LC |
| PIAGGIO | PIAGGIO NRG Power DD 50 2T LC |
| PIAGGIO | PIAGGIO QUARTZ 50 2T LC |
| PIAGGIO | PIAGGIO ZIP SP 50 2T LC 2001-> |
| PIAGGIO | PIAGGIO ZIP SP 50 2T LC <-2000 |
What's included
| SKU | Name |
|---|---|
| 2511197b | Fixed cover for MULTIVAR variator |
| 5320370 | Complete connection rod with pin Ø 14 and wheelbase 100 |
| 6615951e | FKM/PTFE 2 oil-seals Ø 20x30x5 mm for crankshaft - gearbox side |
| 6618985b | Roller bearing Ø 14x18x16,7 |
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